Patent US4029146A successfully refreshed from Google Patents.
Patent US2647650A successfully refreshed from Google Patents.
US2647650A
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Combination clamp and rotating mechanism
Assignee: Doosan Bobcat North America Inc
•
Filing: 1950-03-01
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Granted: 1953-08-04
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Expires: 1970-03-01
Abstract
No abstract record available.
Inventors
- 👤 Sherriff Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:59
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/184; Y; Y10; Y10S; Y10S294/00; Y10S294/902
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |