US3490339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsional mechanical input signal apparatus
Assignee: Bell Aerospace Corp
•
Filing: 1967-05-01
•
Granted: 1970-01-20
•
Expires: 1987-05-01
Abstract
No abstract record available.
Inventors
- 👤 George T Baltus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:34
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/09; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/8659; Y10T137/86598; Y10T137/86606; Y10T137/86614
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2940699A
Cited
US2947286A
Cited
US2988059A
Cited
US3095002A
Cited
US3273465A
Cited
US3282283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |