Patent US2269641A successfully refreshed from Google Patents.
US2269641A
Expired / Lapsed
US
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Machine tool
Assignee: Giddings and Lewis LLC
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Filing: 1939-06-07
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Granted: 1942-01-13
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Expires: 1959-06-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Woytych
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:17
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/02; F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H2063/3093; F16H2063/3096; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T408/00; Y10T408/31; Y10T408/34; Y10T408/352; Y10T408/65; Y10T408/675; Y10T408/6764; Y10T82/00; Y10T82/25; Y10T82/2529
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) | 1945-01-12 | 1945-07-14 | 1946-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-12 | 1949-07-14 | 1950-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-12 | 1953-07-14 | 1954-01-13 | $7700.00 | Window Closed / Lapsed |