US2883198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work driver for the metal cutting machine
Assignee: Ikegai Corp
•
Filing: 1956-09-18
•
Granted: 1959-04-21
•
Expires: 1976-09-18
Abstract
No abstract record available.
Inventors
- 👤 Narumi Natsuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:04
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1261; B23B31/1284; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17213; Y10T279/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493995A
Cited
US749794A
Cited
US1149148A
Cited
US1770515A
Cited
US2207230A
Cited
US2479560A
Cited
US2779187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |