Patent US958680A successfully refreshed from Google Patents.
Patent US3346891A successfully refreshed from Google Patents.
US3346891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape-type bed springs
Assignee: Individual
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Filing: 1966-05-23
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Granted: 1967-10-17
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth K Cundiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:38
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/12; A47C23/28; A47C23/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE TAPE-TYPE BED SPRINGS COMPRISING A SHEET METAL FRAME HAVING A UPRIGHT SHEET METAL SIDES THAT TERMINATE UPWARDLY IN SHEET METAL UPPER PORTIONS THAT EXTEND INWARDLY AND THEN DOWNWARDLY, AN A PLURALITY OF FLEXIBLE TAPES EXTENDING BETWEEN AND SECURED TO OPPOSITE SIDES OF THE FRAME, SAID UPPER PORTIONS OF THE FRAME HAVING OPENINGS THERETHROUGH FOR THE RECEPTION OF END PORTIONS OF THE TAPES, EACH OPENING BEING PROVIDED BY TONGUES OF THE SHEET METAL OF THE FRAME PARTIALLY SEVERED FROM THE FRAME AND BENT TO PROVIDE CONVEXLY CURVED SURFACES ABOUT WHICH THE TAPES CHANGE DIRECTION, THE TONGUES ON ONE SIDE OF THE FRAME EXTENDING AWAY FROM THE TONGUES ON THE OTHER SIDE OF THE FRAME, THE TONGUES BEING BENT DOWNWARDLY FROM THEIR UNSERVED POSITION SO THAT THEY EXTEND BELOW THT CONTOUR OF THE SAID UPPER PORTIONS OF THE SHEET METAL FRAME.
Claim 2
Dependent Claim
140 words
THE TAPE-TYPE BED SPRINGS COMPRISING A SHEET METAL FRAME HAVING A UPRIGHT SHEET METAL SIDES THAT TERMINATE UPWARDLY IN SHEET METAL UPPER PORTIONS THAT EXTEND INWARDLY AND THEN DOWNWARDLY, AN A PLURALITY OF FLEXIBLE TAPES EXTENDING BETWEEN AND SECURED TO OPPOSITE SIDES OF THE FRAME, SAID UPPER PORTIONS OF THE FRAME HAVING OPENINGS THERETHROUGH FOR THE RECEPTION OF END PORTIONS OF THE TAPES, EACH OPENING BEING PROVIDED BY TONGUES OF THE SHEET METAL OF THE FRAME PARTIALLY SEVERED FROM THE FRAME AND BENT TO PROVIDE CONVEXLY CURVED SURFACES ABOUT WHICH THE TAPES CHANGE DIRECTION, THE TONGUES ON ONE SIDE OF THE FRAME EXTENDING AWAY FROM THE TONGUES ON THE OTHER SIDE OF THE FRAME, THE TONGUES BEING BENT DOWNWARDLY FROM THEIR UNSERVED POSITION SO THAT THEY EXTEND BELOW THT CONTOUR OF THE SAID UPPER PORTIONS OF THE SHEET METAL FRAME.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |