Patent US2662297A successfully refreshed from Google Patents.
US2662297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge for testing out-of-roundness and diameters of cylindrical holes
Assignee: Individual
•
Filing: 1950-12-05
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Granted: 1953-12-15
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Expires: 1970-12-05
Abstract
No abstract record available.
Inventors
- 👤 Georg E Reicherter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:23
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; G01B5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308324A
Cited
US1583208A
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US1660986A
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FR801887A
Cited
US2124014A
Cited
US2241287A
Cited
US2448106A
Cited
GB619331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |