Patent US2903822A successfully refreshed from Google Patents.
US2903822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio controlled model submarine
Assignee: Individual
•
Filing: 1955-07-08
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Granted: 1959-09-15
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Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
- 👤 Donald V Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:57
CPC Classifications
A; A63; A63H; A63H23/00; A63H23/02; A63H23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306284A
Cited
US1243287A
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US1993549A
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US1993550A
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US2224650A
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US2315461A
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US2538347A
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FR1089494A
Cited
US2742735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |