Patent US3435377A successfully refreshed from Google Patents.
US3435377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force-to-frequency transducer
Assignee: General Dynamics Corp
•
Filing: 1966-03-04
•
Granted: 1969-03-25
•
Expires: 1986-03-04
Abstract
No abstract record available.
Inventors
- 👤 Richard N Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:20
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2641741A
Cited
US2907897A
Cited
US2968943A
Cited
US3063023A
Cited
US3187579A
Cited
US3204463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |