US2545344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft cutting and centering machine
Assignee: Borg Warner Corp
•
Filing: 1946-12-26
•
Granted: 1951-03-13
•
Expires: 1966-12-26
Abstract
No abstract record available.
Inventors
- 👤 Crawford Charles Frederick
- 👤 Potts Hallie Alton
- 👤 George V Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:28
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/14; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5196; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/36; Y10T408/375; Y10T408/378; Y10T82/00; Y10T82/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1700668A
Cited
US680724A
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US2051052A
Cited
US1978879A
Cited
US1975250A
Cited
US1972595A
Cited
US2084562A
Cited
US2108779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |