US3333805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor protector mat for desk chair
Assignee: Individual
•
Filing: 1965-06-04
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Granted: 1967-08-01
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Expires: 1985-06-04
Abstract
No abstract record available.
Inventors
- 👤 Marshall William Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:39
CPC Classifications
A; A47; A47B; A47B91/00; A47B91/12; A47G; A47G27/00; A47G27/02; A47G27/0206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A COMBINATION CHAIR SUPPORT AND CARPET PROTECTIVE ASSEMBLY FOR USE WITH AN OFFICE CHAIR HAVING CASTERS THEREON COMPRISING: A SHEET HAVING A PAIR OF OPPOSED, GENERALLY PLANAR SURFACES AND ADAPTED TO BE DISPOSED ON A CARPET IN A LOCATION TO SUPPORT SAID CHAIR WHEREBY THE CASTERS THEREON MAY ROLL FREELY OVER THE UPPER SURFACE OF THE SHEET; AND MEANS ON THE LOWER SURFACE OF THE SHEET INCLUDING A NUMBER OF SPACED DEVICES ENGAGEABLE WITH THE CARPET FOR PREVENTING LATERAL MOVEMENTS OF THE SHEET WITH RESPECT TO THE CARPET, EACH DEVICE HAVING A BASE SECURED TO SAID LOWER SURFACE AND A PLURALITY OF SPACED PROJECTIONS EXTENDING DOWNWARDLY FROM SAID BASE AND DISPOSED TO PENETRATE THE PILE SECURED TO AND EXTENDING UPWARDLY FROM THE BACK OF THE CARPET.
Claim 2
Dependent Claim
126 words
A COMBINATION CHAIR SUPPORT AND CARPET PROTECTIVE ASSEMBLY FOR USE WITH AN OFFICE CHAIR HAVING CASTERS THEREON COMPRISING: A SHEET HAVING A PAIR OF OPPOSED, GENERALLY PLANAR SURFACES AND ADAPTED TO BE DISPOSED ON A CARPET IN A LOCATION TO SUPPORT SAID CHAIR WHEREBY THE CASTERS THEREON MAY ROLL FREELY OVER THE UPPER SURFACE OF THE SHEET; AND MEANS ON THE LOWER SURFACE OF THE SHEET INCLUDING A NUMBER OF SPACED DEVICES ENGAGEABLE WITH THE CARPET FOR PREVENTING LATERAL MOVEMENTS OF THE SHEET WITH RESPECT TO THE CARPET, EACH DEVICE HAVING A BASE SECURED TO SAID LOWER SURFACE AND A PLURALITY OF SPACED PROJECTIONS EXTENDING DOWNWARDLY FROM SAID BASE AND DISPOSED TO PENETRATE THE PILE SECURED TO AND EXTENDING UPWARDLY FROM THE BACK OF THE CARPET.
References Cited (Backward Citations)
GB377391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |