US2959841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft burnishing machine
Assignee: IND METAL PRODUCTS CORP N
•
Filing: 1957-10-11
•
Granted: 1960-11-15
•
Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Sr Edward E Judge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:58
CPC Classifications
B; B24; B24B; B24B39/00; B24B39/04; B24B5/00; B24B5/36; B24B5/42; Y; Y10; Y10T; Y10T29/00; Y10T29/47
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |