US2949313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding chuck mechanism
Assignee: Samuel M Langston Co
•
Filing: 1958-12-29
•
Granted: 1960-08-16
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Henry W Moser
- 👤 William H Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:31
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/248; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1021; Y10T279/1033; Y10T279/1037; Y10T279/1041; Y10T279/1054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320361A
Cited
US1600367A
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US1566370A
Cited
US1873515A
Cited
US2573403A
Cited
US2877022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |