US2630845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work gauge for machine tools
Assignee: Rockwell Manufacturing Co
•
Filing: 1948-07-07
•
Granted: 1953-03-10
•
Expires: 1968-07-07
Abstract
No abstract record available.
Inventors
- 👤 William A Eschennburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:29
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/005; Y; Y10; Y10T; Y10T83/00; Y10T83/727
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US354740A
Cited
US1090432A
Cited
US2111977A
Cited
US2043625A
Cited
US2325082A
Cited
US2265335A
Cited
US2556548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |