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Patent US2818876A successfully refreshed from Google Patents.
US2818876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instruments
Assignee: American Machine and Metals Inc
•
Filing: 1954-01-19
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Granted: 1958-01-07
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Expires: 1974-01-19
Abstract
No abstract record available.
Inventors
- 👤 Ambrose E Van Le
- 👤 William D Huston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:25
CPC Classifications
G; G01; G01L; G01L7/00; G01L7/02; G01L7/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2061794A
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US2073838A
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US2235110A
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FR880044A
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US2302014A
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US2405979A
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US2461026A
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US2631570A
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US2635640A
Cited
US2659381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |