US3393754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque sensing control device
Assignee: CHARLES A HACHEMEISTER
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Filing: 1967-09-12
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Granted: 1968-07-23
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Expires: 1987-09-12
Abstract
No abstract record available.
Inventors
- 👤 Charles A Hachemeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:33
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/20; B67B3/2073; G; G05; G05G; G05G15/00; G05G15/08
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) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |