Patent US3285060A successfully refreshed from Google Patents.
US3285060A
Expired / Lapsed
US
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Pendulum impact tester
Assignee: Warner and Swasey Co
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Filing: 1963-12-03
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Granted: 1966-11-15
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Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 David W Pessen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:57
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/30; G01N2203/00; G01N2203/003; G01N2203/0032; G01N2203/0039
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN IMPACT TESTING MACHINE COMPRISING IN COMBINATION, SUPPORTING STRUCTURE, MEANS ADATPED TO SUPPORT A SPECIMEN WHICH MEANS IS RIGIDLY ATTACHED TO SAID SUPPORTING STRUCTURE, A PENDULUM COMPRISING A SOLID STEM HAVING A STRIKING EDGE RIGIDLY ATTACHED TO THE LOWER END OF SAID STEM, THE MASS OF SAID STRIKING EDGE BEING RELATIVELY NEGLIGIBLE WITH RESPECT TO THE MASS OF THE PENDULUM AND SUBSTANTIALLY REMOTE FROM THE CENTER OF MASS OF THE PENDULUM, A PIVOTAL MOUNTING FOR SAID PENDULUM ON SAID SUPPORTING STRUCTURE HAVING A PIVOT AXIS FOR BRINGING SAID STRIKING EDGE INTO IMPACT CONTACT WITH SAID SPECIMEN, SAID SOLID STEM BEING EXTENDED ABOVE THE PIVOT AXIS BY AN AMOUNT SUFFICIENT TO MAKE THE CENTER OF PERCUSSION OF SAID PENDULUM FALL APPROXIMATELY AT THE CENTER OF THE STRIKING EDGE.
Claim 2
Dependent Claim
127 words
AN IMPACT TESTING MACHINE COMPRISING IN COMBINATION, SUPPORTING STRUCTURE, MEANS ADATPED TO SUPPORT A SPECIMEN WHICH MEANS IS RIGIDLY ATTACHED TO SAID SUPPORTING STRUCTURE, A PENDULUM COMPRISING A SOLID STEM HAVING A STRIKING EDGE RIGIDLY ATTACHED TO THE LOWER END OF SAID STEM, THE MASS OF SAID STRIKING EDGE BEING RELATIVELY NEGLIGIBLE WITH RESPECT TO THE MASS OF THE PENDULUM AND SUBSTANTIALLY REMOTE FROM THE CENTER OF MASS OF THE PENDULUM, A PIVOTAL MOUNTING FOR SAID PENDULUM ON SAID SUPPORTING STRUCTURE HAVING A PIVOT AXIS FOR BRINGING SAID STRIKING EDGE INTO IMPACT CONTACT WITH SAID SPECIMEN, SAID SOLID STEM BEING EXTENDED ABOVE THE PIVOT AXIS BY AN AMOUNT SUFFICIENT TO MAKE THE CENTER OF PERCUSSION OF SAID PENDULUM FALL APPROXIMATELY AT THE CENTER OF THE STRIKING EDGE.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |