Patent US3087719A successfully refreshed from Google Patents.
US3087719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring cushion construction
Assignee: American Metal Products Co
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Filing: 1960-05-23
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Granted: 1963-04-30
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Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Hyland C Flint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:27
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
IN A SEAT CONSTRUCTION, A SEAT FRAME HAVING FRONT AND REAR MEMBERS SPACED BY SIDE MEMBERS, A PLURALITY OF SPRING STRIPS EXTENDING BETWEEN SAID FRONT AND REAR MEMBERS HAVING DOWNWARDLY EXTENDING FRONT END SUPPORTING PORTIONS OF DIFFERENT HEIGHTS, AND MEANS SECURING THE FRONT AND REAR ENDS OF THE SPRING STRIPS TO SAID FRAME MEMBERS IN ALIGNED RELATION ALONG THE LENGTH THEREOF, THE SIDEMOST SPRING STRIPS AND CERTAIN OF THE MEDIAL SPRING STRIPS HAVING THE FRONT ENDS EXTENDING UPWARDLY ABOVE OTHER SPRING STRIPS LOCATED THEREBETWEEN AS A RESULT OF THE PORTIONS OF DIFFERENT HEIGHTS.
References Cited (Backward Citations)
US1901720A
Cited
US2471777A
Cited
US2747619A
Cited
US2845996A
Cited
US2868276A
Cited
US2835314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |