US2674779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outside feeding mechanism for automatic screw machines
Assignee: Individual
•
Filing: 1952-07-22
•
Granted: 1954-04-13
•
Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 Erwin P Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:53
CPC Classifications
B; B23; B23B; B23B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1065088A
Cited
US2062727A
Cited
US2108274A
Cited
US2345207A
Cited
US2630909A
Cited
US2512335A
Cited
US2595522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |