US3137525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable seat
Assignee: Individual
•
Filing: 1962-03-13
•
Granted: 1964-06-16
•
Expires: 1982-03-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred H Purser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:09
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
AN ADJUSTABLE SEAT COMPRISING: A SEATING PLATFORM HAVING NOTCHED LEGS EXTENDING DOWNWARDLY THEREFROM; A TUBULAR SUPPORTING FRAME INCLUDING TWO SIDE TUBES HAVING HOLES FORMED IN THE ENDS THEREOF FOR RECEIVING SAID NOTCHED LEGS AND SPACED OPENINGS EXTENDING THERETHROUGH; A PAIR OF SPACED LOCK RODS DISPOSED IN EACH OF SAID SIDE TUBES; CROSSED RELEASE LEVERS PIVOTALLY CONNECTED AT THEIR MID-POINTS AND SECURED TO SAID SUPPORTING FRAME EXTENDING THROUGH SAID SPACED OPENINGS IN SAID TUBES, EACH OF SAID RELEASE LEVERS BEING SECURED TO ONE OF SAID LOCK RODS AT EACH END, BOTH OF SAID RELEASE LEVERS PASSING BETWEEN SAID LOCK RODS WITHIN SAID SIDE TUBES; SPRING MEANS CONNECTED BETWEEN SAID RELEASE LEVERS WITHIN SAID SIDE TUBES FOR NORMALLY URGING SAID LOCK RODS OUTWARDLY WITHIN SAID SAID TUBES INTO SAID HOLES AND INTO ENGAGEMENT WITH SAID NOTCHED LEGS TO SUPPORT SAID SEATING PLATFORM RELATIVE WITH SAID SUPPORTING FRAME AND FOR WITHDRAWING SAID LOCK RODS WITHIN SAID SIDE TUBES AND FROM SAID HOLES WHEN SAID RELEASE LEVERS ARE ACTUATED AGAINST SAID SPRING MEANS, WHEREBY SAID SEATING PLATFORM MAY BE ADJUSTABLY POSITIONED RELATIVE TO SAID SUPPORTING FRAME; AND HINGE MEANS SECURED TO SAID SEATING PLATFORM AND SAID SUPPORTING FRAME FOR STABLIZING THE RELATIVE MOTION BETWEEN SAID SEATING PLATFORM AND SAID SUPPORTING FRAME.
Claim 2
Dependent Claim
207 words
AN ADJUSTABLE SEAT COMPRISING: A SEATING PLATFORM HAVING NOTCHED LEGS EXTENDING DOWNWARDLY THEREFROM; A TUBULAR SUPPORTING FRAME INCLUDING TWO SIDE TUBES HAVING HOLES FORMED IN THE ENDS THEREOF FOR RECEIVING SAID NOTCHED LEGS AND SPACED OPENINGS EXTENDING THERETHROUGH; A PAIR OF SPACED LOCK RODS DISPOSED IN EACH OF SAID SIDE TUBES; CROSSED RELEASE LEVERS PIVOTALLY CONNECTED AT THEIR MID-POINTS AND SECURED TO SAID SUPPORTING FRAME EXTENDING THROUGH SAID SPACED OPENINGS IN SAID TUBES, EACH OF SAID RELEASE LEVERS BEING SECURED TO ONE OF SAID LOCK RODS AT EACH END, BOTH OF SAID RELEASE LEVERS PASSING BETWEEN SAID LOCK RODS WITHIN SAID SIDE TUBES; SPRING MEANS CONNECTED BETWEEN SAID RELEASE LEVERS WITHIN SAID SIDE TUBES FOR NORMALLY URGING SAID LOCK RODS OUTWARDLY WITHIN SAID SAID TUBES INTO SAID HOLES AND INTO ENGAGEMENT WITH SAID NOTCHED LEGS TO SUPPORT SAID SEATING PLATFORM RELATIVE WITH SAID SUPPORTING FRAME AND FOR WITHDRAWING SAID LOCK RODS WITHIN SAID SIDE TUBES AND FROM SAID HOLES WHEN SAID RELEASE LEVERS ARE ACTUATED AGAINST SAID SPRING MEANS, WHEREBY SAID SEATING PLATFORM MAY BE ADJUSTABLY POSITIONED RELATIVE TO SAID SUPPORTING FRAME; AND HINGE MEANS SECURED TO SAID SEATING PLATFORM AND SAID SUPPORTING FRAME FOR STABLIZING THE RELATIVE MOTION BETWEEN SAID SEATING PLATFORM AND SAID SUPPORTING FRAME.
References Cited (Backward Citations)
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Cited
US974018A
Cited
US1078894A
Cited
US1158953A
Cited
US2236152A
Cited
US2664144A
Cited
US2968814A
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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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |