Patent US3227438A successfully refreshed from Google Patents.
US3227438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine clamp
Assignee: Individual
•
Filing: 1964-08-27
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Granted: 1966-01-04
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Sequin Hector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:46
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/104; B25B5/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A MACHINE CLAMP, THE COMBINATION OF, A BROAD COUNTERWEIGHTED HEEL PORTION HAVING A GENERALLY FLAT BOTTOM WITH FRONT AND REAR EDGES THEREON; A PAIR OF WORK HOLDING FINGERS EXTENDING FROM SAID COUNTERWEIGHTED HEEL PORTION; SAID WORK HOLDING FINGERS LOCATED IN SUBSTANTIALLY PARALLEL RELATIONSHIP AND HAVING A SLOT THEREBETWEEN; SAID SLOT TERMINATING AT THE HEEL PORTION IN PERPENDICULAR RELATIONSHIP TO THE FLAT BOTTOM PORTION THEREOF; SAID WORK HOLDING FINGERS HAVING A CURVED UPPER AND A CURVED LOWER SURFACE THEREON WHICH SURFACES INTERSECT IN TANGENTIAL RELATIONSHIP THE CURVED PORTIONS ON THE FRONT AND REAR EDGES OF THE BROAD COUNTERWEIGHTED HEEL; THE UPPER SURFACE OF SAID WORK HOLDING FINGERS HAVE POSITIONED THEREON A PAD HAVING A CURVED UNDERSIDE COOPERABLE WITH THE UPPER SURFACE OF SAID WORK HOLDING FINGERS, THE TOP OF SAID PAD BEING FLAT TO COOPERATE WITH THE UNDER SURFACE OF A THREADED NUT SECURED TO A BOLT POSITIONED BETWEEN SAID WORK HOLDING FINGERS AND SECURED TO A MACHINE BASE.
Claim 2
Dependent Claim
159 words
IN A MACHINE CLAMP, THE COMBINATION OF, A BROAD COUNTERWEIGHTED HEEL PORTION HAVING A GENERALLY FLAT BOTTOM WITH FRONT AND REAR EDGES THEREON; A PAIR OF WORK HOLDING FINGERS EXTENDING FROM SAID COUNTERWEIGHTED HEEL PORTION; SAID WORK HOLDING FINGERS LOCATED IN SUBSTANTIALLY PARALLEL RELATIONSHIP AND HAVING A SLOT THEREBETWEEN; SAID SLOT TERMINATING AT THE HEEL PORTION IN PERPENDICULAR RELATIONSHIP TO THE FLAT BOTTOM PORTION THEREOF; SAID WORK HOLDING FINGERS HAVING A CURVED UPPER AND A CURVED LOWER SURFACE THEREON WHICH SURFACES INTERSECT IN TANGENTIAL RELATIONSHIP THE CURVED PORTIONS ON THE FRONT AND REAR EDGES OF THE BROAD COUNTERWEIGHTED HEEL; THE UPPER SURFACE OF SAID WORK HOLDING FINGERS HAVE POSITIONED THEREON A PAD HAVING A CURVED UNDERSIDE COOPERABLE WITH THE UPPER SURFACE OF SAID WORK HOLDING FINGERS, THE TOP OF SAID PAD BEING FLAT TO COOPERATE WITH THE UNDER SURFACE OF A THREADED NUT SECURED TO A BOLT POSITIONED BETWEEN SAID WORK HOLDING FINGERS AND SECURED TO A MACHINE BASE.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |