US3380730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workpiece clamping devices
Assignee: Carver and Co Engineers Ltd
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Filing: 1966-04-11
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Granted: 1968-04-30
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Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 Carver Leonard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:51
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/104; B25B5/108
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A CLAMPING DEVICE COMPRISING: A BASE; UPSTANDING SUPPORT MEANS FORMED BY A PAIR OF SPACED UPRIGHTS ON SAID BASE; CARRIER MEANS FORMED BY A CARRIER MEMBER, SAID CARRIER MEANS BEING SUPPORTABLE ON SAID UPSTANDING SUPPORT MEANS, WHEREBY TO BE ADJUSTABLE FOR HEIGHT RELATIVELY TO THE BASE, BY PROJECTIONS PROVIDED ON THE ONE SAID MEANS AND SLIDINGLY ENGAGEABLE WITH OPENINGS PROVIDED IN THE OTHER SAID MEANS; AND, FOR CLAMPING THE WORK-PIECE, A PIVOTED CLAMPING JAW CARRIED BY THE CARRIER MEMBER, SAID JAW BEING PIVOTED FOR UP AND DOWN ANGULAR MOVEMENT ABOUT AN AXIS TRANSVERSE TO THE DIRECTION IN WHICH THE UPRIGHTS ARE SPACED, AND THE CARRIER MEMBER BEING BODILY MOVABLE RELATIVELY TO THE UPRIGHTS TO SLIDINGLY DISENGAGE THE PROJECTIONS FROM THE OPENINGS TO ENABLE THE CARRIER MEMBER TO BE MOVED FROM ONE HEIGHTADJUSTED POSITION TO ANOTHER.
Claim 2
Dependent Claim
135 words
A CLAMPING DEVICE COMPRISING: A BASE; UPSTANDING SUPPORT MEANS FORMED BY A PAIR OF SPACED UPRIGHTS ON SAID BASE; CARRIER MEANS FORMED BY A CARRIER MEMBER, SAID CARRIER MEANS BEING SUPPORTABLE ON SAID UPSTANDING SUPPORT MEANS, WHEREBY TO BE ADJUSTABLE FOR HEIGHT RELATIVELY TO THE BASE, BY PROJECTIONS PROVIDED ON THE ONE SAID MEANS AND SLIDINGLY ENGAGEABLE WITH OPENINGS PROVIDED IN THE OTHER SAID MEANS; AND, FOR CLAMPING THE WORK-PIECE, A PIVOTED CLAMPING JAW CARRIED BY THE CARRIER MEMBER, SAID JAW BEING PIVOTED FOR UP AND DOWN ANGULAR MOVEMENT ABOUT AN AXIS TRANSVERSE TO THE DIRECTION IN WHICH THE UPRIGHTS ARE SPACED, AND THE CARRIER MEMBER BEING BODILY MOVABLE RELATIVELY TO THE UPRIGHTS TO SLIDINGLY DISENGAGE THE PROJECTIONS FROM THE OPENINGS TO ENABLE THE CARRIER MEMBER TO BE MOVED FROM ONE HEIGHTADJUSTED POSITION TO ANOTHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |