Patent US1448029A successfully refreshed from Google Patents.
US1448029A
Expired / Lapsed
US
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Water-movement-power vessel
Assignee: Individual
•
Filing: 1922-04-17
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Granted: 1923-03-13
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Expires: 1942-04-17
Abstract
No abstract record available.
Inventors
- 👤 Edward P Larry
- 👤 Daniel J Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:51
CPC Classifications
B; B63; B63H; B63H19/00; B63H19/02; Y; Y02; Y02T; Y02T70/00; Y02T70/50; Y02T70/5218; Y02T70/5236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-03-12 | 1926-09-11 | 1927-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-03-12 | 1930-09-11 | 1931-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-03-12 | 1934-09-11 | 1935-03-13 | $7700.00 | Window Closed / Lapsed |