US2942729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work inspecting mechanism
Assignee: Ingersoll Milling Machine Co
•
Filing: 1952-03-13
•
Granted: 1960-06-28
•
Expires: 1972-03-13
Abstract
No abstract record available.
Inventors
- 👤 Earl M Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:56
CPC Classifications
B; B07; B07B; B07B13/00; B07B13/04; Y; Y10; Y10T; Y10T408/00; Y10T408/13; Y10T408/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1667420A
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US2093429A
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US2160476A
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US2293586A
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US2567430A
Cited
US2571161A
Cited
US2588066A
Cited
US2576590A
Cited
US2659157A
Cited
US2677325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |