Patent US3881802A successfully refreshed from Google Patents.
US3122829A
Expired / Lapsed
US
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Method of assembling a coil spring seat cushion
Assignee: Motors Liquidation Co
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Filing: 1960-09-13
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Granted: 1964-03-03
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Expires: 1980-09-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Schaad
- 👤 Widmer Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:57
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/34; B; B68; B68G; B68G9/00; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10T; Y10T29/00; Y10T29/48; Y10T29/481; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T29/49863; Y10T29/49876; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/53; Y10T29/53657; Y10T29/53709; Y10T29/53717; Y10T29/53996
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A METHOD OF MANUFACTURING A UNITARY COIL SPRING ASSEMBLY HAVING A UNITARY SEPARATOR PAN, A UNITARY SUPPORT PAN, AND A PLURALITY OF INDIVIDUAL COIL SPRINGS SECURED THEREBETWEEN, AND COMPRISING THE STEPS OF: MOVING A SEPARATOR PAN INTO A PRESS, THE UPPER PORTION OF SAID PRESS HAVING A PLURALITY OF CRIMPING PINS SPACED THEREON, ALIGNING THROUGH HOLES IN A PLURALITY OF FASTENING MEANS PROVIDED ON SAID SEPARATOR PAN WITH THE CRIMPING PINS AND SECURING SAID SEPARATOR PAN IN FIXED RELATION TO THE UPPER PORTION OF THE PRESS BY SUITABLE CLAMPING MEANS, MOVING A SPRING-LOCATING FIXTURE INTO THE PRESS AND THEREBY POSITIONING A PLURALITY OF INDIVIDUAL COIL SPRINGS CARRIED THEREBY BENEATH SAID SEPARATOR PAN AND IN ALIGNMENT WITH THE THROUGH HOLES THEREIN, ENGAGING ADJACENT SURFACES OF THE SEPARATOR PAN AND THE FIXTURE AND SIMULTANEOUSLY FORCING EACH OF THE INDIVIDUAL COIL SPRINGS INTO FASTENED ENGAGEMENT WITH SAID PLURALITY OF FASTENING MEANS ON SAID SEPARATOR PAN, DISENGAGING THE
Claim 2
Independent Claim
154 words
A METHOD OF MANUFACTURING A UNITARY COIL SPRING ASSEMBLY HAVING A UNITARY SEPARATOR PAN, A UNITARY SUPPORT PAN, AND A PLURALITY OF INDIVIDUAL COIL SPRINGS SECURED THEREBETWEEN, AND COMPRISING THE STEPS OF: MOVING A SEPARATOR PAN INTO A PRESS, THE UPPER PORTION OF SAID PRESS HAVING A PLURALITY OF CRIMPING PINS SPACED THEREON, ALIGNING THROUGH HOLES IN A PLURALITY OF FASTENING MEANS PROVIDED ON SAID SEPARATOR PAN WITH THE CRIMPING PINS AND SECURING SAID SEPARATOR PAN IN FIXED RELATION TO THE UPPER PORTION OF THE PRESS BY SUITABLE CLAMPING MEANS, MOVING A SPRING-LOCATING FIXTURE INTO THE PRESS AND THEREBY POSITIONING A PLURALITY OF INDIVIDUAL COIL SPRINGS CARRIED THEREBY BENEATH SAID SEPARATOR PAN AND IN ALIGNMENT WITH THE THROUGH HOLES THEREIN, ENGAGING ADJACENT SURFACES OF THE SEPARATOR PAN AND THE FIXTURE AND SIMULTANEOUSLY FORCING EACH OF THE INDIVIDUAL COIL SPRINGS INTO FASTENED ENGAGEMENT WITH SAID PLURALITY OF FASTENING MEANS ON SAID SEPARATOR PAN, DISENGAGING THE
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |