US3333461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic modulus measurement apparatus
Assignee: SRI International Inc
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Filing: 1964-07-14
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Granted: 1967-08-01
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Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Gerald M Gordon
- 👤 Bosman Aleidus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:16
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
60 words
APPARATUS FOR DETERMINING THE ELASTIC MODULUS OF A SAMPLE OF MATERIAL COMPRISING MEANS RIGIDLY MOUNTING SAID SAMPLE AND EXPOSING AT LEAST ONE SURFACE THEREOF, AN IMPACT DEVICE, MEANS MOUNTING SAID IMPACT DEVICE TO SWING AS A PENDULUM, MEANS FOR CAUSING AN ELASTIC COLLISION BETWEEN SAID IMPACT DEVICE AND SAID SURFACE, AND MEANS FOR MEASURING THE TIME DURATION SAID IMPACT DEVICE
Claim 2
Dependent Claim
60 words
APPARATUS FOR DETERMINING THE ELASTIC MODULUS OF A SAMPLE OF MATERIAL COMPRISING MEANS RIGIDLY MOUNTING SAID SAMPLE AND EXPOSING AT LEAST ONE SURFACE THEREOF, AN IMPACT DEVICE, MEANS MOUNTING SAID IMPACT DEVICE TO SWING AS A PENDULUM, MEANS FOR CAUSING AN ELASTIC COLLISION BETWEEN SAID IMPACT DEVICE AND SAID SURFACE, AND MEANS FOR MEASURING THE TIME DURATION SAID IMPACT DEVICE
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |