US2791822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single spindle automatic screw machine
Assignee: Individual
•
Filing: 1953-08-12
•
Granted: 1957-05-14
•
Expires: 1973-08-12
Abstract
No abstract record available.
Inventors
- 👤 Guy C Worrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
B; B23; B23B; B23B11/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5125; Y10T408/00; Y10T408/34; Y10T408/344; Y10T408/348; Y10T408/35; Y10T408/36; Y10T408/37; Y10T408/38; Y10T408/3806; Y10T408/3809; Y10T408/381; Y10T82/00; Y10T82/25; Y10T82/2593
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) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |