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US3346891A Expired / Lapsed US ⏱️ 0.0 years remaining

Tape-type bed springs

Assignee: Individual
•
Filing: 1966-05-23
•
Granted: 1967-10-17
•
Expires: 1986-05-23
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Abstract

No abstract record available.

Inventors

  • 👤 Kenneth K Cundiff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 02:48
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.

References Cited (Backward Citations)

DE185713C Cited
DE102905C Cited
US643208A Cited
US683636A Cited
CH58879A Cited
DE334258C Cited

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

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