Patent US3267898A successfully refreshed from Google Patents.
US3267898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphibious vehicle
Assignee: Individual
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Filing: 1965-06-10
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Granted: 1966-08-23
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Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Carmi G Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:20
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0061; B60F3/0076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
A VEHICLE SUCH AS A BOAT OR SLED, COMPRISING IN COMBINATION: (A) MEANS FORMING A BODY HAVING: (1) AN ELONGATED FLOOR; (2) TWO ELONGATED AND PARALLELLY DISPOSED RUNNERS EXTENDING LONGITUDINALLY OF AND BELOW THE FLOOR TO PROVIDE WITH THE FLOOR AN ELONGATED INVERTED CHANNEL; (3) A STATIONARY WALL SLOPING DOWNWADLY AND REARWADLY AND DISPOSED FORWADLY OF THE FLOOR; (4) A SECOND STATIONARY WALL SPACED REARWARDLY OF THE STATIONARY WALL AND SLOPING DOWNWARDLY AND REARWARDLY BEYOND THE FRONT PORTION OF THE FIRST MENTIONED STATIONARY WALL; (5) CONFRONTING SIDE WALLS CONNECTED WITH THE FORWARDLY DISPOSED AND REAR WALLS, SAID FORWARDLY DISPOSED, REAR AND SIDE WALLS FORMING A SECTION HAVING AN OPENING AT THE TOP FOR THE INGRESS OF AIR AND HAVING AN OPENING AT THE REAR FOR EXPELLING AIR INTO THE FRONT END OF THE CHANNEL; (B) MEANS FOR MOTIVATING THE VEHICLE COMPRISING AN IMPELLER FOR FORCING AIR THROUGH SAID SECTION; (C) A MOTOR FOR ACTUATING THE IMPELLER; (D) VALVE MEANS IMMEDIATELY ADJACENT THE REAR OPENING OF THE SECTION, SAID VALVE MEANS BEING MOVABLE TO A POSITION FOR DIRECTING AIR, WHICH EMANATES FROM SAID SECTION, REARWARDLY, AND, MOVABLE TO A POSITION FOR DIRECTING AIR, WHICH EMANATES FROM SAID SECTION, FORWARDLY; (E) AND MEANS FOR MOVING THE VALVE MEANS TO EITHER OF SAID POSITIONS.
Claim 2
Dependent Claim
211 words
A VEHICLE SUCH AS A BOAT OR SLED, COMPRISING IN COMBINATION: (A) MEANS FORMING A BODY HAVING: (1) AN ELONGATED FLOOR; (2) TWO ELONGATED AND PARALLELLY DISPOSED RUNNERS EXTENDING LONGITUDINALLY OF AND BELOW THE FLOOR TO PROVIDE WITH THE FLOOR AN ELONGATED INVERTED CHANNEL; (3) A STATIONARY WALL SLOPING DOWNWADLY AND REARWADLY AND DISPOSED FORWADLY OF THE FLOOR; (4) A SECOND STATIONARY WALL SPACED REARWARDLY OF THE STATIONARY WALL AND SLOPING DOWNWARDLY AND REARWARDLY BEYOND THE FRONT PORTION OF THE FIRST MENTIONED STATIONARY WALL; (5) CONFRONTING SIDE WALLS CONNECTED WITH THE FORWARDLY DISPOSED AND REAR WALLS, SAID FORWARDLY DISPOSED, REAR AND SIDE WALLS FORMING A SECTION HAVING AN OPENING AT THE TOP FOR THE INGRESS OF AIR AND HAVING AN OPENING AT THE REAR FOR EXPELLING AIR INTO THE FRONT END OF THE CHANNEL; (B) MEANS FOR MOTIVATING THE VEHICLE COMPRISING AN IMPELLER FOR FORCING AIR THROUGH SAID SECTION; (C) A MOTOR FOR ACTUATING THE IMPELLER; (D) VALVE MEANS IMMEDIATELY ADJACENT THE REAR OPENING OF THE SECTION, SAID VALVE MEANS BEING MOVABLE TO A POSITION FOR DIRECTING AIR, WHICH EMANATES FROM SAID SECTION, REARWARDLY, AND, MOVABLE TO A POSITION FOR DIRECTING AIR, WHICH EMANATES FROM SAID SECTION, FORWARDLY; (E) AND MEANS FOR MOVING THE VALVE MEANS TO EITHER OF SAID POSITIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |