US2960341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal link drive for multiple chuck heads
Assignee: Individual
•
Filing: 1956-12-04
•
Granted: 1960-11-15
•
Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Dorothea A Emrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:00
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/161; B23B39/165; Y; Y10; Y10T; Y10T279/00; Y10T279/35; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32041; Y10T74/00; Y10T74/21; Y10T74/2142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US944228A
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US954228A
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US1277960A
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US1368607A
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US2153093A
Cited
US2458740A
Cited
US2491820A
Cited
US2714313A
Cited
US2790646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |