Patent US3483455A successfully refreshed from Google Patents.
US3483455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Malfunction detection circuit
Assignee: Unisys Corp
•
Filing: 1967-03-30
•
Granted: 1969-12-09
•
Expires: 1987-03-30
Abstract
No abstract record available.
Inventors
- 👤 John Klysa Jr
- 👤 William W Mccammon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:31
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/10; G; G01; G01C; G01C25/00; H02H; H02H7/00; H02H7/08; H02H7/0833; H02H7/0844
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |