Patent US2536864A successfully refreshed from Google Patents.
US2536864A
Expired / Lapsed
US
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Method of producing threadcutting chasers
Assignee: Greenfield Tap & Die Corp
•
Filing: 1946-11-23
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Granted: 1951-01-02
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Expires: 1966-11-23
Abstract
No abstract record available.
Inventors
- 👤 Royce M Strickland
- 👤 Johan V Arvidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:29
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/60; B24B3/602
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US798352A
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US1271495A
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US1555853A
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US1557005A
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US1603446A
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US1694560A
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US1793727A
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US1981445A
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US2096422A
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US2144987A
Cited
US2394645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |