Patent US3469084A successfully refreshed from Google Patents.
US3469084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal encoder tester
Assignee: United States Department of the Navy
•
Filing: 1965-08-24
•
Granted: 1969-09-23
•
Expires: 1985-08-24
Abstract
No abstract record available.
Inventors
- 👤 Lane S Garrett
- 👤 John M K Bergey
- 👤 Stuart G Greenberg
- 👤 Frank J Alessandro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:37
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/28; G01R31/30; H; H03; H03M; H03M1/00; H03M1/10; H03M1/1071
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |