US2652665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Involute checking fixture and tailstock mounting therefor
Assignee: COLONIAL BROACH CO
•
Filing: 1947-08-22
•
Granted: 1953-09-22
•
Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 James L Jessup
- 👤 Harry H Gotberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:13
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1218; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2060518A
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US2087957A
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US2036658A
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US2326368A
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US2281817A
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US2268342A
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US2397795A
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US2420527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |