What this patent covers
A design patent covering the ornamental appearance of a laboratory jack, shown in plan from above and below with front and rear elevations and a side elevation view.
US D541,504 is a design patent titled “Laboratory jack”, invented by David Landsberger, Francis Gomes, Paul Thom and Bruce Feller and assigned to Bel Art Products Inc.
The application was filed on February 23, 2005 and granted on April 24, 2007, 2 years, 2 months later. The specification refers to 10 drawing figures.
It is one of the patents our firm has obtained in the Design — Tools, Machinery & Transportation area.
Key dates and patent term
| Application filed | February 23, 2005 | |
|---|---|---|
| Patent granted | April 24, 2007 | 2 years, 2 months in prosecution at the U.S. Patent Office |
| Design term expires (nominal) | April 24, 2021 | 15 years from grant; design patents carry no maintenance fees. |
The expiration date is calculated from the grant and filing dates on the face of the patent. The actual date may vary based on patent-term adjustment (patent office delay), or terminal disclaimer (agreeing to a shorter term). This website is for information purposes only and is not legal advice.
Bibliographic details
| Patent number | US D541,504 |
|---|---|
| Title | Laboratory jack |
| Inventors | David Landsberger; Francis Gomes; Paul Thom; Bruce Feller |
| Assignee | Bel Art Products Inc |
| Filing date | February 23, 2005 |
| Grant date | April 24, 2007 |
| Category | Design — Tools, Machinery & Transportation |
Full text as published by the U.S. Patent Office
The sections below reproduce the official text of US D541,504 for reference. Open a section to read it.
Claims
Claims ( 1 )
CLAIM
The ornamental design for a laboratory jack, as shown and described.
Description
FIG. 1 is a top plan view of a laboratory jack of the invention;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is one side elevational view thereof, the other side being a mirror image;
FIG. 6 is a top plan view of the laboratory jack of the invention in the expanded position;
FIG. 7 is a front elevational view thereof;
FIG. 8 is a rear elevational view thereof;
FIG. 9 is a bottom plan view thereof; and,
FIG. 10 is one side elevational view, the other being a mirror image.
The broken line showing some elements in the figures is for illustrative purposes only and forms no part of the claimed design.
US D541,504: questions and answers
What is US Patent D541,504 about?
US D541,504, “Laboratory jack”, is a design patent granted by the United States Patent and Trademark Office on April 24, 2007.
Who invented US Patent D541,504?
The named inventors are David Landsberger, Francis Gomes, Paul Thom, Bruce Feller.
Who owns US Patent D541,504?
The patent was issued to assignee Bel Art Products Inc. Current ownership can change after grant; assignments are recorded with the U.S. Patent Office.
When was US Patent D541,504 filed?
The application was filed on February 23, 2005 and the patent granted on April 24, 2007.
When does US Patent D541,504 expire?
The nominal expiration date is April 24, 2021. 15 years from grant; design patents carry no maintenance fees.
Who was the patent attorney for US Patent D541,504?
This patent was prosecuted by Feigin & Fridman, LLC, patent attorneys in New York and New Jersey. Contact us to discuss protecting your own invention.
Other patents by David Landsberger
- US 7,431,358 — Non-metallic reinforced door handle adapter
- US 7,386,995 — Device for producing dry ice and pressure relief thereof
- US D566,832 — Spherical vacuum desiccator
- US D556,895 — Spherical vacuum desiccator
More Design — Tools, Machinery & Transportation patents from our firm
Cutter
Shopping pole
Combination sandtrap rake and greens brush
Panel support
Combined pediatric equipment carrier and children's stroller
Handle for saw and T-square combination tool
View all 56 Design — Tools, Machinery & Transportation patents we have obtained →
Thinking about a patent of your own?
Feigin & Fridman, LLC has obtained patents like this one for inventors and companies across the United States and abroad. We handle the search, the drafting, the examiner interviews and the renewals.