US2692633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work gripping chuck mechanism
Assignee: Individual
•
Filing: 1952-10-28
•
Granted: 1954-10-26
•
Expires: 1972-10-28
Abstract
No abstract record available.
Inventors
- 👤 Lee B Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:24
CPC Classifications
B; B21; B21D; B21D25/00; B21D25/04; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44068; Y10T409/00; Y10T409/40; Y10T409/405775; Y10T409/40595
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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |