Patent US3060682A successfully refreshed from Google Patents.
US3060682A
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US
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Jet propulsion engine for watercraft
Assignee: KEMENCZKY ETABLISHEMENT
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Filing: 1960-07-01
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Granted: 1962-10-30
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Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Kemenczky Miklos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:16
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/12; B63H11/02; B63H11/04; B63H11/09; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2319947A
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US2714800A
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US2710524A
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US2826721A
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US2831499A
Cited
US2900790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |