US2876669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micrometer stops for machine tools
Assignee: Rockwell Manufacturing Co
•
Filing: 1955-09-28
•
Granted: 1959-03-10
•
Expires: 1975-09-28
Abstract
No abstract record available.
Inventors
- 👤 David D Pettigrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:46
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/001; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/518; Y10T82/00; Y10T82/25; Y10T82/2531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1480522A
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US1446557A
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US1582077A
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US1551017A
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US1950491A
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US2338001A
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US2450004A
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US2455793A
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US2734394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |