US3067620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acceleration testing apparatus
Assignee: AMF Inc
•
Filing: 1958-01-09
•
Granted: 1962-12-11
•
Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Robert L Holloway
- 👤 Darien Alexander C Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:09
CPC Classifications
G; G01; G01M; G01M9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US443645A
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US1400857A
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US1829311A
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US2325019A
Cited
US2301967A
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US2465437A
Cited
US2788654A
Cited
US2924092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |