US2039646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eccentric cutting attachment for metal working spindle machines
Assignee: Devlieg Bullard Inc
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Filing: 1934-08-22
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Granted: 1936-05-05
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Expires: 1954-08-22
Abstract
No abstract record available.
Inventors
- 👤 Cyrus H Hoisington
- 👤 Beacom Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:18
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/18; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5178; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/25; Y10T82/2529; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-05-05 | 1939-11-04 | 1940-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-05 | 1943-11-04 | 1944-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-05 | 1947-11-04 | 1948-05-05 | $7700.00 | Window Closed / Lapsed |