US3261632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lever lock construction for split clamping ring
Assignee: Individual
•
Filing: 1963-12-09
•
Granted: 1966-07-19
•
Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Edward E Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:15
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/32; B65D45/34; B65D45/345; Y; Y10; Y10T; Y10T24/00; Y10T24/21; Y10T24/2191; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/216
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A SPLIT CLAMPING RING ADAPTED TO SECURE A SEPARABLE COVER TO THE OPEN END OF A BARREL-TYPE CONTAINER, SAID CLAMPING RING INCLUDING A SWINGABLE LEVER OPERABLE TO EFFECT EXPANSION AND CONTRACTION OF SAID RING ON MOVEMENT OF THE LEVER, THE IMPROVEMENT COMPRISING A LOCK CONSTRUCTION FOR HOLDING SAID LEVER IN A RING CLAMPING POSITION INCLUDING A DETENT CARRIED BY SAID LEVER AND MEANS CARRIED BY SAID RING FOR PIVOTALLY MOUNTING SAID LEVER AND HAVING A POCKET THEREIN FOR RECEIVING AND RETAINING SAID DETENT UPON MOVEMENT OF SAID LEVER INTO SAID CLAMPING POSITION, SAID DETENT AND SAID POCKET BEING DISPOSED CLOSELY ADJACENT THE PIVOT AXIS OF SAID LEVER, WHEREBY THE EFFORT REQUIRED TO MOVE SAID LEVER INTO AND OUT OF SAID CLAMPING POSITION IS REDUCED.
Claim 2
Dependent Claim
125 words
IN A SPLIT CLAMPING RING ADAPTED TO SECURE A SEPARABLE COVER TO THE OPEN END OF A BARREL-TYPE CONTAINER, SAID CLAMPING RING INCLUDING A SWINGABLE LEVER OPERABLE TO EFFECT EXPANSION AND CONTRACTION OF SAID RING ON MOVEMENT OF THE LEVER, THE IMPROVEMENT COMPRISING A LOCK CONSTRUCTION FOR HOLDING SAID LEVER IN A RING CLAMPING POSITION INCLUDING A DETENT CARRIED BY SAID LEVER AND MEANS CARRIED BY SAID RING FOR PIVOTALLY MOUNTING SAID LEVER AND HAVING A POCKET THEREIN FOR RECEIVING AND RETAINING SAID DETENT UPON MOVEMENT OF SAID LEVER INTO SAID CLAMPING POSITION, SAID DETENT AND SAID POCKET BEING DISPOSED CLOSELY ADJACENT THE PIVOT AXIS OF SAID LEVER, WHEREBY THE EFFORT REQUIRED TO MOVE SAID LEVER INTO AND OUT OF SAID CLAMPING POSITION IS REDUCED.
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |