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US2752671A
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Method of removing threaded shafts
Assignee: Individual
•
Filing: 1953-01-19
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Granted: 1956-07-03
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Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Alyea Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:20
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49821; Y10T29/53; Y10T29/53687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE416628C
Cited
US1458076A
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US2281164A
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US2391405A
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US2408450A
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US2547986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |