US2315877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: DEFIANCE MACHINE WORKS Inc
•
Filing: 1941-06-09
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Granted: 1943-04-06
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Expires: 1961-06-09
Abstract
No abstract record available.
Inventors
- 👤 Snyder Willis Jay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:56
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/54; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T408/00; Y10T408/47; Y10T408/482; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T408/6774; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014
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) | 1946-04-05 | 1946-10-05 | 1947-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-05 | 1950-10-05 | 1951-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-05 | 1954-10-05 | 1955-04-06 | $7700.00 | Window Closed / Lapsed |