US3107522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-centering work holder
Assignee: Motors Liquidation Co
•
Filing: 1960-02-08
•
Granted: 1963-10-22
•
Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert P Bonewits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:29
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/02; G01N3/04; G01N2203/00; G01N2203/0014; G01N2203/0016; G01N2203/0017; G01N2203/02; G01N2203/04; G01N2203/0405; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A SELF-CENTERING SPECIMEN HOLDER FOR TENSIL TESTING MACHINES HAVING A PAIR OF SUPPORT HOUSINGS ADAPTED TO GRIP THEREBETWEEN A LINEAR TEST SPECIMEN FORMED WITH CONTOURED ENDS, EACH SAID SUPPORT HOUSING COMPRISING AN AXIALLY EXTENDING BORE ADAPTED TO RECEIVE OPPOSITE ENDS OF SAID TEST SPECIMEN, FASTENING MEANS ON OPPOSITE ENDS OF EACH SAID HOUSING FOR ASSOCIATION WITH A TESTING MACHINE, A SEAT FORMED INTERIORLY OF EACH SAID SUPPORT HOUSING AND TRANSVERSELY INTERSECTING SAID AXIAL BORE, AND WORK GRIPPING MEANS SLIDABLY AND ROTATABLY SUPPORTED IN EACH SAID SEAT AND HAVING A CONTOURED PORTION OUTWARDLY FACING FROM SAID SEAT AND MATCHING THE CONTOURS OF SAID TEST SPECIMEN ENDS, EACH SAID CONTOURED PORTION POSITIONABLE IN SAID AXIAL BORE FOR GRIPPING ENGAGEMENT WITH THE CONTOURED END OF SAID TEST SPECIMEN, EACH SAID WORK GRIPPING MEANS BEING ROTATED IN SAID SEAT AS SAID TEST SPECIMEN ENDS ENGAGE THE MATCHING CONTOURED PORTIONS OF SAID WORK GRIPPING MEANS WHEREBY SAID TEST SPECIMEN ENDS ARE PREVENTED FROM BEING WITHDRAWN FROM SAID BORE WITHOUT INTERFERING WITH THE AXIAL ALIGNMENT THEREOF.
Claim 2
Dependent Claim
170 words
A SELF-CENTERING SPECIMEN HOLDER FOR TENSIL TESTING MACHINES HAVING A PAIR OF SUPPORT HOUSINGS ADAPTED TO GRIP THEREBETWEEN A LINEAR TEST SPECIMEN FORMED WITH CONTOURED ENDS, EACH SAID SUPPORT HOUSING COMPRISING AN AXIALLY EXTENDING BORE ADAPTED TO RECEIVE OPPOSITE ENDS OF SAID TEST SPECIMEN, FASTENING MEANS ON OPPOSITE ENDS OF EACH SAID HOUSING FOR ASSOCIATION WITH A TESTING MACHINE, A SEAT FORMED INTERIORLY OF EACH SAID SUPPORT HOUSING AND TRANSVERSELY INTERSECTING SAID AXIAL BORE, AND WORK GRIPPING MEANS SLIDABLY AND ROTATABLY SUPPORTED IN EACH SAID SEAT AND HAVING A CONTOURED PORTION OUTWARDLY FACING FROM SAID SEAT AND MATCHING THE CONTOURS OF SAID TEST SPECIMEN ENDS, EACH SAID CONTOURED PORTION POSITIONABLE IN SAID AXIAL BORE FOR GRIPPING ENGAGEMENT WITH THE CONTOURED END OF SAID TEST SPECIMEN, EACH SAID WORK GRIPPING MEANS BEING ROTATED IN SAID SEAT AS SAID TEST SPECIMEN ENDS ENGAGE THE MATCHING CONTOURED PORTIONS OF SAID WORK GRIPPING MEANS WHEREBY SAID TEST SPECIMEN ENDS ARE PREVENTED FROM BEING WITHDRAWN FROM SAID BORE WITHOUT INTERFERING WITH THE AXIAL ALIGNMENT THEREOF.
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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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |