US2449034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque tool with ratchet signal
Assignee: Individual
•
Filing: 1944-04-21
•
Granted: 1948-09-07
•
Expires: 1964-04-21
Abstract
No abstract record available.
Inventors
- 👤 Sylvia V M Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:49
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427; F; F16; F16D; F16D2300/00; F16D2300/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |