Patent US3204451A successfully refreshed from Google Patents.
US3204451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing machine grip
Assignee: Instron Corp
•
Filing: 1962-06-05
•
Granted: 1965-09-07
•
Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Ronald C Cavanaugh
- 👤 Donald C Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:45
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/02; G01N3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A TESTING MACHING GRIP COMPRISING A LONGITUDINALLY EXTENDING CORE INCLUDING AN INNER MOUNTING PORTION AND LONGITUDINALLY SPACED TRANSVERSE GUIDE SURFACES INCLUDING AN OUTWARDLY FACING OUTER TRANSVERSE GUIDE SURFACE AT A FIXED DISTANCE FROM SAID INNER MOUNTING PORTION AND AN INWARDLY FACING INNER TRANSVERSE GUIDE SURFACE, A FRAME LONGITUDINALLY MOVABLE RELATIVE TO SAID CORE, AN ACTUATOR FOR LONGITUDINALLY MOVING SAID FRAME, A PAIR OF JAWS, AND A PAIR OF LINKS, EACH SAID LINK BEING PIVOTALLY SECURED AT ONE END IN SAID FRAME AND AT ITS OTHER END IN ONE OF SAID JAWS, EACH SAID JAW INCLUDING AN OUTER TRANSVERSE SURFACE HELD IN SLIDING RELATION AGAINST SAID OUTER TRANSVERSE GUIDE SURFACE OF SAID CORE AND AN INNER TRANSVERSE SURFACE, SAID INNER OF SAID LONGITUDINALLY SPACED TRANSVERSE SURFACES OF SAID CORE BEING SUPPORTED BY AND HELD YIELDABLY AWAY FROM SAID OUTER TRANSVERSE GUIDE SURFACE AGAINST SAID INNER TRANSVERSE SURFACE OF SAID JAW.
Claim 2
Dependent Claim
149 words
A TESTING MACHING GRIP COMPRISING A LONGITUDINALLY EXTENDING CORE INCLUDING AN INNER MOUNTING PORTION AND LONGITUDINALLY SPACED TRANSVERSE GUIDE SURFACES INCLUDING AN OUTWARDLY FACING OUTER TRANSVERSE GUIDE SURFACE AT A FIXED DISTANCE FROM SAID INNER MOUNTING PORTION AND AN INWARDLY FACING INNER TRANSVERSE GUIDE SURFACE, A FRAME LONGITUDINALLY MOVABLE RELATIVE TO SAID CORE, AN ACTUATOR FOR LONGITUDINALLY MOVING SAID FRAME, A PAIR OF JAWS, AND A PAIR OF LINKS, EACH SAID LINK BEING PIVOTALLY SECURED AT ONE END IN SAID FRAME AND AT ITS OTHER END IN ONE OF SAID JAWS, EACH SAID JAW INCLUDING AN OUTER TRANSVERSE SURFACE HELD IN SLIDING RELATION AGAINST SAID OUTER TRANSVERSE GUIDE SURFACE OF SAID CORE AND AN INNER TRANSVERSE SURFACE, SAID INNER OF SAID LONGITUDINALLY SPACED TRANSVERSE SURFACES OF SAID CORE BEING SUPPORTED BY AND HELD YIELDABLY AWAY FROM SAID OUTER TRANSVERSE GUIDE SURFACE AGAINST SAID INNER TRANSVERSE SURFACE OF SAID JAW.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |