US3279414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clearing device for the protective intake grille on a water-jet propelled water craft
Assignee: Individual
•
Filing: 1965-05-11
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Granted: 1966-10-18
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Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 Rabald Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:00
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/01; B63B; B63B13/00; B63B13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A WATER-JET PROPELLED WATER CRAFT COMPRISING A BOAT HULL, A POWER-DRIVEN JET PUMP MOUNTED IN SAID HULL, IN INTAKE TO SAID JET PUMP IN THE BOTTOM OF SAID HULL, A PROTECTIVE GRILLE FORMED OF A PLURALITY OF SPACED-APART BARS PROTECTING SAID INTAKE AGAINST THE ENTRY OF FOREIGN MATERIAL, AND AN APRON HAVING ATTACHED THERETO THE REAR ENDS OF SAID BARS, SAID APRON SLOPING FORWARDLY AT AN ACUTE ANGLE: A MOVABLE CLEARING DEVICE FOR CLEARING SAID PROTECTIVE GRILLE COMPRISING A CLEARING GRILLE FORMED OF A PLURALITY OF SPACED-APART BARS, SUPPORTING MEANS FOR SUPPORTING SAID CLEARING GRILLE ADJACENT SAID PROTECTIVE GRILLE, SAID SUPPORTING MEANS PROVIDING FOR MOVEMENT OF SAID CLEARING GRILLE WHEREBY SAID BARS OF SAID CLEAR-
Claim 2
Dependent Claim
116 words
IN A WATER-JET PROPELLED WATER CRAFT COMPRISING A BOAT HULL, A POWER-DRIVEN JET PUMP MOUNTED IN SAID HULL, IN INTAKE TO SAID JET PUMP IN THE BOTTOM OF SAID HULL, A PROTECTIVE GRILLE FORMED OF A PLURALITY OF SPACED-APART BARS PROTECTING SAID INTAKE AGAINST THE ENTRY OF FOREIGN MATERIAL, AND AN APRON HAVING ATTACHED THERETO THE REAR ENDS OF SAID BARS, SAID APRON SLOPING FORWARDLY AT AN ACUTE ANGLE: A MOVABLE CLEARING DEVICE FOR CLEARING SAID PROTECTIVE GRILLE COMPRISING A CLEARING GRILLE FORMED OF A PLURALITY OF SPACED-APART BARS, SUPPORTING MEANS FOR SUPPORTING SAID CLEARING GRILLE ADJACENT SAID PROTECTIVE GRILLE, SAID SUPPORTING MEANS PROVIDING FOR MOVEMENT OF SAID CLEARING GRILLE WHEREBY SAID BARS OF SAID CLEAR-
References Cited (Backward Citations)
US1700913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |