US2736969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vernier centering gauge
Assignee: Individual
•
Filing: 1953-06-25
•
Granted: 1956-03-06
•
Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 Charles M Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:33
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US742077A
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US777641A
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US1063342A
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US1370645A
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US1424941A
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US1927504A
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US2113524A
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US2129695A
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US2531077A
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US2565262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |