Patent US2795443A successfully refreshed from Google Patents.
US2795443A
Expired / Lapsed
US
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Torque-transmitting threaded joint
Assignee: Individual
•
Filing: 1952-02-05
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Granted: 1957-06-11
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Expires: 1972-02-05
Abstract
No abstract record available.
Inventors
- 👤 Gratzmuller Jean Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:44
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/0018; F16H57/0025; F16D; F16D1/00; F16D1/06; Y; Y10; Y10T; Y10T403/00; Y10T403/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US919034A
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US1156397A
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US1398020A
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US1433860A
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US1567649A
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US1652648A
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US1931633A
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US1953297A
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US1928769A
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US2078471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |