Patent US2546326A successfully refreshed from Google Patents.
US2546326A
Expired / Lapsed
US
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Machine tool
Assignee: Warner and Swasey Co
•
Filing: 1947-07-29
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Granted: 1951-03-27
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Expires: 1967-07-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur D Wetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:01
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2073; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/1258; Y10T279/1274; Y10T279/1291; Y10T279/19; Y10T279/1953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2362146A
Cited
US1014773A
Cited
US1146193A
Cited
US2375115A
Cited
US2392999A
Cited
US2418082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |