Patent US3123836A successfully refreshed from Google Patents.
US3123836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose sofa
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:54
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/13; A47C17/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A DUAL PURPOSE SOFA COMPRISING A MATTRESS FRAME HAVING SIDE WALL PORTIONS, SUPPORT MEANS, A PAIR OF SPACED APART TRACKS SECURED TO SAID SUPPORT MEANS AND EXTENDING UNDER SAID MATTRESS FRAME, ROLLER MEANS SECURED TO SAID MATTRESS FRAME AND ROTATABLY MOUNTED IN SAID TRACKS, A PLURALITY OF COIL SPRINGS CONNECTING SAID SIDE WALL PORTIONS AT ONE OF A PLURALITY OF POSITIONS ADJACENT ONE END OF SAID MATTRESS FRAME AND ONE END OF SAID SUPPORT MEANS YIELDINGLY URGING SAID MATTRESS FRAME TO SLIDE ON SAID ROLLER MEANS ALONG SAID TRACKS TO AN EXTENDED POSITION ADJACENT SAID ONE END OF SAID SUPPORT MEANS, A GUIDE ROD MOUNTED ON SAID SUPPORT MEANS, A BRACKET MOUNTED ON SAID MATTRESS FRAME AT SAID ONE END THEREOF, A PAIR OF ROLLERS MOUNTED ON SAID BRACKET, SAID ROLLERS ENGAGING SAID GUIDE ROD, INTERENGAGING LATCH MEANS MOUNTED ON SAID GUIDE ROD AND SAID MATTRESS FRAME FOR RELEASABLY MAINTAINING SAID MATTRESS FRAME IN A RETRACTED POSITION AND OPERATING MEANS CONNECTED TO SAID GUIDE ROD FOR RELEASING SAID LATCH MEANS AND PERMITTING SAID MATTRESS FRAME TO SLIDE ON SAID TRACKS TO ITS EXTENDED POSITION AND BRAKE MEANS MOUNTED ON SAID SUPPORT MEANS IN THE PATH OF SAID PAIR OF ROLLERS WHEREBY SAID PAIR OF ROLLERS IMPINGE ON SAID BRAKE MEANS TO STOP SAID MATTRESS FRAME IN SAID EXTENDED POSITION.
Claim 2
Dependent Claim
219 words
A DUAL PURPOSE SOFA COMPRISING A MATTRESS FRAME HAVING SIDE WALL PORTIONS, SUPPORT MEANS, A PAIR OF SPACED APART TRACKS SECURED TO SAID SUPPORT MEANS AND EXTENDING UNDER SAID MATTRESS FRAME, ROLLER MEANS SECURED TO SAID MATTRESS FRAME AND ROTATABLY MOUNTED IN SAID TRACKS, A PLURALITY OF COIL SPRINGS CONNECTING SAID SIDE WALL PORTIONS AT ONE OF A PLURALITY OF POSITIONS ADJACENT ONE END OF SAID MATTRESS FRAME AND ONE END OF SAID SUPPORT MEANS YIELDINGLY URGING SAID MATTRESS FRAME TO SLIDE ON SAID ROLLER MEANS ALONG SAID TRACKS TO AN EXTENDED POSITION ADJACENT SAID ONE END OF SAID SUPPORT MEANS, A GUIDE ROD MOUNTED ON SAID SUPPORT MEANS, A BRACKET MOUNTED ON SAID MATTRESS FRAME AT SAID ONE END THEREOF, A PAIR OF ROLLERS MOUNTED ON SAID BRACKET, SAID ROLLERS ENGAGING SAID GUIDE ROD, INTERENGAGING LATCH MEANS MOUNTED ON SAID GUIDE ROD AND SAID MATTRESS FRAME FOR RELEASABLY MAINTAINING SAID MATTRESS FRAME IN A RETRACTED POSITION AND OPERATING MEANS CONNECTED TO SAID GUIDE ROD FOR RELEASING SAID LATCH MEANS AND PERMITTING SAID MATTRESS FRAME TO SLIDE ON SAID TRACKS TO ITS EXTENDED POSITION AND BRAKE MEANS MOUNTED ON SAID SUPPORT MEANS IN THE PATH OF SAID PAIR OF ROLLERS WHEREBY SAID PAIR OF ROLLERS IMPINGE ON SAID BRAKE MEANS TO STOP SAID MATTRESS FRAME IN SAID EXTENDED POSITION.
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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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |