Patent US1724097A successfully refreshed from Google Patents.
US2808115A
Expired / Lapsed
US
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Jet propelled rotor sustentation and propulsion means
Assignee: Individual
•
Filing: 1954-07-22
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Granted: 1957-10-01
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Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Adolphe C Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:54
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/04; B64C27/12; B64C27/16; B64C27/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191027087A
Cited
US1569607A
Cited
US2330056A
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US2429646A
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US2620882A
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US2457936A
Cited
US2601258A
Cited
CH265706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |