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Patent US2542986A successfully refreshed from Google Patents.
US2542986A
Expired / Lapsed
US
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Machine tool
Assignee: Ingersoll Milling Machine Co
•
Filing: 1946-07-05
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Granted: 1951-02-27
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Expires: 1966-07-05
Abstract
No abstract record available.
Inventors
- 👤 Earl M Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:35
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23D; B23D47/00; B23D47/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/30532; Y10T409/305544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1029656A
Cited
US1834075A
Cited
US1960884A
Cited
US2142735A
Cited
US2326847A
Cited
US2235832A
Cited
US2264508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |