US2596958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for feeding and inserting screws
Assignee: CHATSWORTH Manufacturing CO
•
Filing: 1948-09-01
•
Granted: 1952-05-13
•
Expires: 1968-09-01
Abstract
No abstract record available.
Inventors
- 👤 William M Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:06
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/001; B23P19/004
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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |