US3168792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making spring assemblies
Assignee: Simmons USA Corp
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Filing: 1963-06-28
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Granted: 1965-02-09
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Stumpf Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:39
CPC Classifications
B; B68; B68G; B68G9/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD OF MAKING A MATTRESS CORE WHICH COMPRISING ASSEMBLING AND SUPPORTING IN JUXTAPOSED POSITION A SERIES OF NESTED ROWS OF INTERGRALLY CONNECTED CLOSED TEXTILE POCKETS EACH CONTAINING A DOUBLE-ENDED WIRE COIL SPRING SO THAT THE OPPOSITE END TURNS OF EACH OF SAID SPRINGS ARE RESPECTIVELY POSITIONED IN TWO SPACES PARALLEL PLANES REPRESENTING THE TOP AND BOTTOM FACES OF AN ASSEMBLY, AND COMPRESSING SAID ASSEMBLY IN A DIRECTION TRANSVERSE TO SAID ROWS AND GENERALLY PERPENDICULAR TO THE AXES OF SAID COIL SPRINGS AND INSERTING SPACED CONNECTORS OF PREDETERMINED LENGTHS HAVING HEADS AT EACH END THROUGH SAID ASSEMBLY TRANSVERSELY TO SAID ROWS AND INTERMEDIATE AND PLANES, SO THAT UPON RELEASE OF SAID COMPRESSION SAID CONNECTORS HOLD SAID ROWS TOGETHER WITH SUBSTANTIALLY EQUAL FORCE WHEREBY UNIFORMITY OF THE DIMENSIONS OF THE CORE IS ASSURED.
Claim 2
Independent Claim
132 words
THE METHOD OF MAKING A MATTRESS CORE WHICH COMPRISING ASSEMBLING AND SUPPORTING IN JUXTAPOSED POSITION A SERIES OF NESTED ROWS OF INTERGRALLY CONNECTED CLOSED TEXTILE POCKETS EACH CONTAINING A DOUBLE-ENDED WIRE COIL SPRING SO THAT THE OPPOSITE END TURNS OF EACH OF SAID SPRINGS ARE RESPECTIVELY POSITIONED IN TWO SPACES PARALLEL PLANES REPRESENTING THE TOP AND BOTTOM FACES OF AN ASSEMBLY, AND COMPRESSING SAID ASSEMBLY IN A DIRECTION TRANSVERSE TO SAID ROWS AND GENERALLY PERPENDICULAR TO THE AXES OF SAID COIL SPRINGS AND INSERTING SPACED CONNECTORS OF PREDETERMINED LENGTHS HAVING HEADS AT EACH END THROUGH SAID ASSEMBLY TRANSVERSELY TO SAID ROWS AND INTERMEDIATE AND PLANES, SO THAT UPON RELEASE OF SAID COMPRESSION SAID CONNECTORS HOLD SAID ROWS TOGETHER WITH SUBSTANTIALLY EQUAL FORCE WHEREBY UNIFORMITY OF THE DIMENSIONS OF THE CORE IS ASSURED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |