Patent US3410312A successfully refreshed from Google Patents.
US3410312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid shift flip-flop
Assignee: Unisys Corp
•
Filing: 1965-01-19
•
Granted: 1968-11-12
•
Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 George R Cogar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:20
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3192938A
Cited
US3193197A
Cited
US3148691A
Cited
US3191612A
Cited
US3232305A
Cited
US3253605A
Cited
US3277915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |