Patent US3312440A successfully refreshed from Google Patents.
US3312440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable leg
Assignee: Individual
•
Filing: 1965-06-07
•
Granted: 1967-04-04
•
Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Zelony Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:43
CPC Classifications
A; A47; A47B; A47B9/00; A47B9/08; A47B91/00; A47B91/02; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN ADJUSTABLE LEG COMPRISING A TUBULAR CASING, A SLEEVE INSERT IN THE TUBULAR CASING HAVING THEREIN TWO LONGITUDINAL SPIRAL SLOTS AND PAIRS OF DIAMETRALLY OPPOSED LONGITUDINALLY SPACED BAYONET SLOTS COMMUNICATING WITH THE LONGITUDINAL SLOTS, AN ELONGATED LEG HAVING ONE END THEREOF SLIDABLY LOCATED IN THE SLEEVE, A PIN ON THE ELONGATED LEG SLIDABLY LOCATED IN THE LONGITUDINAL SPIRAL SLOTS, SELECTIVELY ENGAGEABLE IN A PAIR OF THE OPPOSED BAYONET SLOTS AND MEANS FOR ATTACHING THE CASING TO A FIXED SUPPORT.
Claim 2
Dependent Claim
79 words
AN ADJUSTABLE LEG COMPRISING A TUBULAR CASING, A SLEEVE INSERT IN THE TUBULAR CASING HAVING THEREIN TWO LONGITUDINAL SPIRAL SLOTS AND PAIRS OF DIAMETRALLY OPPOSED LONGITUDINALLY SPACED BAYONET SLOTS COMMUNICATING WITH THE LONGITUDINAL SLOTS, AN ELONGATED LEG HAVING ONE END THEREOF SLIDABLY LOCATED IN THE SLEEVE, A PIN ON THE ELONGATED LEG SLIDABLY LOCATED IN THE LONGITUDINAL SPIRAL SLOTS, SELECTIVELY ENGAGEABLE IN A PAIR OF THE OPPOSED BAYONET SLOTS AND MEANS FOR ATTACHING THE CASING TO A FIXED SUPPORT.
References Cited (Backward Citations)
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Cited
US2483396A
Cited
US2548844A
Cited
US2626118A
Cited
US2710785A
Cited
US2989329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |