Patent US4402163A successfully refreshed from Google Patents.
Patent US4700648A successfully refreshed from Google Patents.
US4700648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propelled pontoon chair
Assignee: Individual
•
Filing: 1986-07-08
•
Granted: 1987-10-20
•
Expires: 2006-07-08
Abstract
Abstract A recreational and therapeutic propelled pontoon chair. The invention fundamentally comprises a pair of pontoons in fixed spaced relationship with each other. A chair for maintaining a user is positioned between the pontoons with a drive and power source being maintained behind the chair. The chair is adjustable in elevation and includes an adjustable leg rest. Control cables on an arm rest regulate speed and direction. In another embodiment, such cables are attached to a headband.
Inventors
- 👤 George M. Trefethern
- 👤 Marian J. Trefethern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:50
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/50
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
110 words
A water vehicle, comprising: a pair of spaced apart pontoons; a support means maintained between said pontoons; a chair adjustably positioned upon said support means; propulsion means for moving the vehicle through the water, said propulsion means positioned behind said chair; and operator control means for regulating both speed and direction of the vehicle, said control means including a pair of cables, a first cable connected to said propulsion means for controlling direction, a second cable connected to a regulator for controlling speed, and a headband having a bracket attached thereto, said first cable being connected directly to said headband and said second cable being slidably received upon said bracket.
Claim 2
Dependent Claim
110 words
A water vehicle, comprising: a pair of spaced apart pontoons; a support means maintained between said pontoons; a chair adjustably positioned upon said support means; propulsion means for moving the vehicle through the water, said propulsion means positioned behind said chair; and operator control means for regulating both speed and direction of the vehicle, said control means including a pair of cables, a first cable connected to said propulsion means for controlling direction, a second cable connected to a regulator for controlling speed, and a headband having a bracket attached thereto, said first cable being connected directly to said headband and said second cable being slidably received upon said bracket.
Claim 3
Dependent Claim
77 words
A water vehicle, comprising: a pair of pontoons spaced from each other; a vertically adjustable chair positioned between said pontoons; propulsion means maintained behind said chair; and control means connected to said propulsion means for regulating both speed and direction of movement of the vehicle, said control means comprising a headband fixedly secured to a first cable and slidingly secured to a second cable, said first and second cables respectively controlling direction and speed of the vehicle.
Claim 4
Dependent Claim
77 words
A water vehicle, comprising: a pair of pontoons spaced from each other; a vertically adjustable chair positioned between said pontoons; propulsion means maintained behind said chair; and control means connected to said propulsion means for regulating both speed and direction of movement of the vehicle, said control means comprising a headband fixedly secured to a first cable and slidingly secured to a second cable, said first and second cables respectively controlling direction and speed of the vehicle.
Claim 5
Dependent Claim
24 words
The water vehicle according to claim 2 wherein said propulsion means comprises a pivotally mounted motor which is spring biased to a first position.
Claim 6
Dependent Claim
40 words
The water vehicle according to claim 3 wherein said control means comprises a first cable connected to said motor for controlling direction of the vehicle and a second cable connected to a rheostat for controlling the speed of the vehicle.
Claim 7
Dependent Claim
14 words
The water vehicle according to claim 2 wherein said pontoons are of trapezoidal configuration.
Claim 8
Dependent Claim
102 words
A water vehicle, comprising: a pair of spaced apart pontoons; a support member maintained between said pontoons; a chair vertically adjustably positioned upon said support member; means for varying ballast maintained directly beneath said chair and comprising a compartment selectively sealed by a plug, said ballast varying as a function of an amount of liquid within said compartment, said liquid entering and exiting via said plug; and wherein the space between said pontoons in front of said chair is open, allowing the legs of a user within said chair to extend downwardly between and beyond said pontoons for entry into the water.
Claim 9
Dependent Claim
102 words
A water vehicle, comprising: a pair of spaced apart pontoons; a support member maintained between said pontoons; a chair vertically adjustably positioned upon said support member; means for varying ballast maintained directly beneath said chair and comprising a compartment selectively sealed by a plug, said ballast varying as a function of an amount of liquid within said compartment, said liquid entering and exiting via said plug; and wherein the space between said pontoons in front of said chair is open, allowing the legs of a user within said chair to extend downwardly between and beyond said pontoons for entry into the water.
Claim 10
Dependent Claim
16 words
The water vehicle as recited in claim 6 wherein said chair includes an adjustable leg rest.
Claim 11
Dependent Claim
27 words
The water vehicle as recited in claim 6 which further includes propulsion means for moving the vehicle through the water, said propulsion means positioned behind said chair.
Claim 12
Dependent Claim
23 words
The water vehicle as recited in claim 8 which further includes operator control means for regulating both speed and direction of the vehicle.
Claim 13
Dependent Claim
39 words
The water vehicle as recited in claim 9 wherein said control means includes a pair of cables, a first cable connected to said propulsion means for controlling direction, and a second cable connected to a regulator for controlling speed.
Claim 14
Dependent Claim
14 words
The water vehicle as recited in claim 10 wherein said regulator comprises a rheostat.
Claim 15
Dependent Claim
28 words
The water vehicle as recited in claim 11 wherein said propulsion means comprises an electric motor, said electric motor being pivotally mounted and biased to a first position.
Claim 16
Dependent Claim
16 words
The water vehicle as recited in claim 12 where said motor is biased by a spring.
Claim 17
Dependent Claim
20 words
The water vehicle as recited in claim 10 wherein said control means is maintained on an arm of said chair.
Claim 18
Dependent Claim
36 words
The water vehicle as recited in claim 14 wherein said control means comprises a panel having a level and a dial, said level connected to aid first cable and said dial connected to said second cable.
References Cited (Backward Citations)
CA705657A
Cited
US1082133A
Cited
US1152654A
Cited
US2332009A
Cited
US3471875A
Cited
US3517632A
Cited
US3602181A
Cited
US3580636A
Cited
US3659475A
Cited
US3889625A
Cited
US4078627A
Cited
US4066032A
Cited
US4143436A
Cited
US4311108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-19 | 1991-04-20 | 1991-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-19 | 1995-04-20 | 1995-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-19 | 1999-04-20 | 1999-10-20 | $7700.00 | Window Closed / Lapsed |