US3041992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low drag submarine
Assignee: RTX Corp
•
Filing: 1960-05-10
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Granted: 1962-07-03
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Expires: 1980-05-10
Abstract
No abstract record available.
Inventors
- 👤 John G Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:26
CPC Classifications
B; B63; B63G; B63G8/00; B63B; B63B1/00; B63B1/32; B63B1/34; B63B1/36; B63B3/00; B63B3/13; F; F42; F42B; F42B19/00; F42B19/005; F42B19/12; F42B19/125; B63B1/38; B63B2001/382; Y; Y02; Y02T; Y02T70/00; Y02T70/10
Claims Analysis
Total Claims: 0
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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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |