US3096964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-orienting revolving fixture
Assignee: Seng Co
•
Filing: 1960-10-19
•
Granted: 1963-07-09
•
Expires: 1980-10-19
Abstract
No abstract record available.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:34
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A CHAIR IRON, COMPRISING: UPPER AND LOWER OPPOSED, SUBSTANTIALLY FLAT, PARALLEL PLATES; MEANS BETWEEN SAID PLATES, SPACING SAID PLATES APART, AND MOUNTING SAID PLATES FOR ROTATION WITH RESPECT TO EACH OTHER IN EITHER DIRECTION FROM A PREDETERMINED ORIENTED POSITION; RESILIENT MEANS BETWEEN SAID PLATES NORMALLY RETAINING SAID PLATES IN SAID ORIENTED POSITION AND URGING SAID PLATES TOWARD SAID ORIENTED POSITION UPON RELATIVE ROTATION OF SAID PLATES IN EITHER DIRECTION FROM SAID ORIENTED POSITION, SAID RESILIENT MEANS COMPRISING A SPRING HAVING OPPOSITE ENDS, AND A LUG ON EACH OF SAID PLATES, EACH LUG ENGAGING AN OPPOSITE ONE OF THE OPPOSITE SPRING ENDS UPON RELATIVE ROTATION OF SAID PLATES FROM SAID ORIENTED POSITION TO STRESS SAID SPRING; AND CIRCUMFERENTIALLY SPACED STOP MEANS ON SAID PLATES FOR LIMITING RELATIVE ROTATION OF SAID PLATES FROM SAID ORIENTED POSITION.
Claim 2
Dependent Claim
134 words
A CHAIR IRON, COMPRISING: UPPER AND LOWER OPPOSED, SUBSTANTIALLY FLAT, PARALLEL PLATES; MEANS BETWEEN SAID PLATES, SPACING SAID PLATES APART, AND MOUNTING SAID PLATES FOR ROTATION WITH RESPECT TO EACH OTHER IN EITHER DIRECTION FROM A PREDETERMINED ORIENTED POSITION; RESILIENT MEANS BETWEEN SAID PLATES NORMALLY RETAINING SAID PLATES IN SAID ORIENTED POSITION AND URGING SAID PLATES TOWARD SAID ORIENTED POSITION UPON RELATIVE ROTATION OF SAID PLATES IN EITHER DIRECTION FROM SAID ORIENTED POSITION, SAID RESILIENT MEANS COMPRISING A SPRING HAVING OPPOSITE ENDS, AND A LUG ON EACH OF SAID PLATES, EACH LUG ENGAGING AN OPPOSITE ONE OF THE OPPOSITE SPRING ENDS UPON RELATIVE ROTATION OF SAID PLATES FROM SAID ORIENTED POSITION TO STRESS SAID SPRING; AND CIRCUMFERENTIALLY SPACED STOP MEANS ON SAID PLATES FOR LIMITING RELATIVE ROTATION OF SAID PLATES FROM SAID ORIENTED POSITION.
References Cited (Backward Citations)
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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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |