US3045622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine escape device
Assignee: Individual
•
Filing: 1959-03-26
•
Granted: 1962-07-24
•
Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Kittredge George William
- 👤 William E Heronemus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:15
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/40; B63G8/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1076496A
Cited
US1184981A
Cited
US1207115A
Cited
US1188179A
Cited
US1215905A
Cited
US1853898A
Cited
US1844763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |