US3076426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforated water jet boat hull construction
Assignee: Individual
•
Filing: 1961-01-26
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Granted: 1963-02-05
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Expires: 1981-01-26
Abstract
No abstract record available.
Inventors
- 👤 John E Alexander
- 👤 Jr Charles H Comstock
- 👤 Royce P Burnett
- 👤 Lloyd B Mckinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/02; B63H11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A WATER JET PROPELLED BOAT HULL OF THE PLANNING TYPE INCLUDING A MAIN BOTTOM, AT LEAST ONE INLET OPENING IN SAID MAIN BOTTOM, PUMP MEANS IN SAID HULL ABOVE SAID MAIN BOTTOM INCLUDING INLET MEANS COMMUNICATED WITH SAID INLET OPENING AND OUTLET MEANS FOR DIRECTING A DISCHARGE OF WATER UNDER PRESSURE FROM SAID PUMP MEANS TO PROPEL SAID HULL, A FALSE PLANING BOTTOM SECURED IN SEALED DEPENDING SPACED RELATION TO PERIPHERAL AREAS OF PORTIONS OF SAID MAIN BOTTOM AND DEFINING A WATER COLLECTION AREA BETWEEN SAID MAIN AND FALSE BOTTOMS WITH WHICH SAID INLET MEANS IS COMMUNICATED, SAID FALSE BOT-
Claim 2
Dependent Claim
100 words
A WATER JET PROPELLED BOAT HULL OF THE PLANNING TYPE INCLUDING A MAIN BOTTOM, AT LEAST ONE INLET OPENING IN SAID MAIN BOTTOM, PUMP MEANS IN SAID HULL ABOVE SAID MAIN BOTTOM INCLUDING INLET MEANS COMMUNICATED WITH SAID INLET OPENING AND OUTLET MEANS FOR DIRECTING A DISCHARGE OF WATER UNDER PRESSURE FROM SAID PUMP MEANS TO PROPEL SAID HULL, A FALSE PLANING BOTTOM SECURED IN SEALED DEPENDING SPACED RELATION TO PERIPHERAL AREAS OF PORTIONS OF SAID MAIN BOTTOM AND DEFINING A WATER COLLECTION AREA BETWEEN SAID MAIN AND FALSE BOTTOMS WITH WHICH SAID INLET MEANS IS COMMUNICATED, SAID FALSE BOT-
References Cited (Backward Citations)
US2369996A
Cited
US2764954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |