Patent US3016533A successfully refreshed from Google Patents.
US3016533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigation computer
Assignee: Unisys Corp
•
Filing: 1951-03-22
•
Granted: 1962-01-09
•
Expires: 1971-03-22
Abstract
No abstract record available.
Inventors
- 👤 Robert L Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:01
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1854391A
Cited
US1985265A
Cited
US2427463A
Cited
US2472129A
Cited
US2530428A
Cited
US2541277A
Cited
US2581438A
Cited
US2554760A
Cited
US2582588A
Cited
GB626966A
Cited
US2613339A
Cited
US2600159A
Cited
US2551211A
Cited
US2539616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |