Patent US2889022A successfully refreshed from Google Patents.
US2889022A
Expired / Lapsed
US
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Double roller torque driver
Assignee: SCULLY JONES AND CO
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Filing: 1955-07-13
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Granted: 1959-06-02
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Expires: 1975-07-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Better
- 👤 Jr John W Lehde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:37
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/38; F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/206; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17171; Y10T279/17179
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE701041C
Cited
US2250736A
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US2441038A
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US2576069A
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US2668426A
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US2683362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |