US2689589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination power screw driver and screw feeding mechanism
Assignee: GEN RIVETERS Inc
•
Filing: 1952-09-12
•
Granted: 1954-09-21
•
Expires: 1972-09-12
Abstract
No abstract record available.
Inventors
- 👤 Howard G Allen
- 👤 Ralph A Dick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:50
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/001; B23P19/007; B25; B25B; B25B23/00; B25B23/02; B25B23/04; B25B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984282A
Cited
US2255827A
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US2314760A
Cited
US2328383A
Cited
US2374558A
Cited
US2554732A
Cited
US2605792A
Cited
GB681402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |