Patent US4848623A successfully refreshed from Google Patents.
Patent US3145986A successfully refreshed from Google Patents.
US3145986A
Expired / Lapsed
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Soft edge spring element for sinuous spring strip
Assignee: American Metal Products Co
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Filing: 1960-12-22
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Granted: 1964-08-25
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Harold A Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:21
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A CUSHION CONSTRUCTION, A FRAME, A PLURALITY OF SINUOUS SPRING STRIPS SECURED TO SAID FRAME, SOFT EDGE ELEMENTS SECURED TO SAID STRIPS REARWARDLY OF THE FRONT END OF THE STRIPS IN A MANNER TO HAVE THE FRONT ENDS THEREOF DISPOSED ABOVE THE FRONT EDGE OF THE SEAT FRAME, A BORDER WIRE ALONG THE FRONT EDGE OF THE FRAME, MEANS CLAMPING THE FRONT ENDS OF THE SOFT EDGE ELEMENTS TO THE BORDER WIRE, THE BORDER WIRE HAVING U-SHAPED END SECTIONS FACING EACH OTHER, AND MEANS FOR CLAMPING THE ENDS OF THE U-SHAPED END SECTIONS TO AN INTERMEDIATE PORTION OF THE ENDMOST SOFT EDGE ELEMENTS.
Claim 2
Dependent Claim
104 words
IN A CUSHION CONSTRUCTION, A FRAME, A PLURALITY OF SINUOUS SPRING STRIPS SECURED TO SAID FRAME, SOFT EDGE ELEMENTS SECURED TO SAID STRIPS REARWARDLY OF THE FRONT END OF THE STRIPS IN A MANNER TO HAVE THE FRONT ENDS THEREOF DISPOSED ABOVE THE FRONT EDGE OF THE SEAT FRAME, A BORDER WIRE ALONG THE FRONT EDGE OF THE FRAME, MEANS CLAMPING THE FRONT ENDS OF THE SOFT EDGE ELEMENTS TO THE BORDER WIRE, THE BORDER WIRE HAVING U-SHAPED END SECTIONS FACING EACH OTHER, AND MEANS FOR CLAMPING THE ENDS OF THE U-SHAPED END SECTIONS TO AN INTERMEDIATE PORTION OF THE ENDMOST SOFT EDGE ELEMENTS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |