US2767992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck devices for taps
Assignee: Individual
•
Filing: 1954-08-23
•
Granted: 1956-10-23
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Agnes G Emrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:48
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1071; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1433590A
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US1653762A
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US1642490A
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US1862337A
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US2472392A
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US2550635A
Cited
US2680636A
Cited
US2689741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |