US3542934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine simulator
Assignee: United States Department of the Navy
•
Filing: 1968-03-06
•
Granted: 1970-11-24
•
Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 Robert L Wyener
- 👤 Joseph S Warhurst
- 👤 James A Carnell
- 👤 Richard V Frizell
- 👤 Peter Schrimmer
- 👤 Robert D Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:37
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/06; G09B9/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048152A
Cited
US2492969A
Cited
US2751880A
Cited
US2885701A
Cited
US3039204A
Cited
GB1000991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |