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Patent US2477457A successfully refreshed from Google Patents.
US2477457A
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US
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Device for measuring the pressure exerted on cutting tools
Assignee: Individual
•
Filing: 1946-07-31
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Granted: 1949-07-26
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Expires: 1966-07-31
Abstract
No abstract record available.
Inventors
- 👤 Albert T Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:30
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; B23Q17/00; B23Q17/09; B23Q17/0952; B23Q17/0966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637676A
Cited
US2054787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |