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US3047960A
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Method and apparatus for inspecting threads and cylinders
Assignee: AMERICAN IRON AND MACHINE WORK
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Filing: 1959-10-30
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Granted: 1962-08-07
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Mittenbergs Alexander Arthur
- 👤 Jr William Frederi Scharenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:50
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/28; G01B7/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1904130A
Cited
US2448106A
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US2366394A
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US2630633A
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US2648135A
Cited
US2763068A
Cited
US2752687A
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US2817154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |