Patent US3103671A successfully refreshed from Google Patents.
US3103671A
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Auxiliary seat cushions
Assignee: Heckethorn Manufacturing and Supply Co
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Filing: 1962-10-01
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Granted: 1963-09-17
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 John E Heckethorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:05
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/62; A47C7/72; A47C7/74; A47C7/742; A47C7/02; A47C7/021; A47C7/36; A47C7/40; A47C7/42; A47C7/425; B; B60; B60N; B60N2/00; B60N2/58; B60N2/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN INTERNAL SPRING STRUCTURE FOR AUXILIARY SEAT CUSHIONS COMPRISING: A SUBSTANTIALLY RECTANGULAR, OPEN, WIRE FRAME, FORMED FROM A RELATIVELY HEAVY FRAME WIRE BENT TO THE FORM OF THE FRAME; A PLURALITY OF ELONGATED, HELICALLY-COILED WIRE SPRINGS IN ENTWINED PARALLEL RELATION EXTENDING BETWEEN THE FRAME WIRE AT TWO OPPOSITE SIDES OF SAID FRAME, THE EXTREMITIES OF THE WIRES FORMING SAID SPRINGS BEING SPIRALLY WRAPPED ABOUT THE FRAME WIRE AT
Claim 2
Dependent Claim
68 words
AN INTERNAL SPRING STRUCTURE FOR AUXILIARY SEAT CUSHIONS COMPRISING: A SUBSTANTIALLY RECTANGULAR, OPEN, WIRE FRAME, FORMED FROM A RELATIVELY HEAVY FRAME WIRE BENT TO THE FORM OF THE FRAME; A PLURALITY OF ELONGATED, HELICALLY-COILED WIRE SPRINGS IN ENTWINED PARALLEL RELATION EXTENDING BETWEEN THE FRAME WIRE AT TWO OPPOSITE SIDES OF SAID FRAME, THE EXTREMITIES OF THE WIRES FORMING SAID SPRINGS BEING SPIRALLY WRAPPED ABOUT THE FRAME WIRE AT
References Cited (Backward Citations)
US3038176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |