US2991666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-transmitting device for machine tools
Assignee: Brown and Sharpe Manufacturing Co
•
Filing: 1958-11-20
•
Granted: 1961-07-11
•
Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 Arnold S Charlat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:19
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/20; B23B39/205; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB764671A
Cited
US2859644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |