US2329398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw driver
Assignee: Individual
•
Filing: 1941-01-23
•
Granted: 1943-09-14
•
Expires: 1961-01-23
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:53
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0084; A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/88; A61B17/8875; B; B25; B25B; B25B13/00; B25B13/48; B25B13/485; B25B13/486; B25B15/00; B25B15/001; B25B15/004; B25B15/005; B25B23/00; B25B23/02; B25B23/08; B25B23/10; B25B23/105; B25B23/106; Y; Y10; Y10S; Y10S411/00; Y10S411/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-09-13 | 1947-03-15 | 1947-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-13 | 1951-03-15 | 1951-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-13 | 1955-03-15 | 1955-09-14 | $7700.00 | Window Closed / Lapsed |