Patent US2967439A successfully refreshed from Google Patents.
US2967439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision rotary instrument
Assignee: Individual
•
Filing: 1958-06-26
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Granted: 1961-01-10
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Expires: 1978-06-26
Abstract
No abstract record available.
Inventors
- 👤 John M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:25
CPC Classifications
G; G05; G05G; G05G23/00; B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/027; B23Q16/028; G05G2700/00; G05G2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1412
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |