Patent US370805A successfully refreshed from Google Patents.
Patent US4576376A successfully refreshed from Google Patents.
US4576376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercising apparatus
Assignee: Individual
•
Filing: 1984-11-23
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Granted: 1986-03-18
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Expires: 2004-11-23
Abstract
Abstract A treadmill is provided in a tank in which there is sufficient water to provide considerable buoyancy to a person walking or running on the treadmill. The treadmill operates a water pump, and means are provided to restrict the pump output to the extent desired to provide the desired load or resistance to movement by the treadmill.
Inventors
- 👤 Paul H. Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:10
CPC Classifications
A; A63; A63B; A63B22/00; A63B22/02; A63B21/00; A63B21/008; A63B2208/00; A63B2208/03; A63B2225/00; A63B2225/60
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
57 words
An exercising apparatus comprising an open topped tank of sufficient size for entry of an individual to exercise therein: a treadmill located in said tank; a pump coupled to said treadmill and operable by said treadmill to pump a fluid in said tank in response to operation of the treadmill by an individual exercising in the tank.
Claim 2
Dependent Claim
57 words
An exercising apparatus comprising an open topped tank of sufficient size for entry of an individual to exercise therein: a treadmill located in said tank; a pump coupled to said treadmill and operable by said treadmill to pump a fluid in said tank in response to operation of the treadmill by an individual exercising in the tank.
Claim 3
Dependent Claim
21 words
The apparatus of claim 1 and further comprising: valve means associated with said pump to control the load on said pump.
Claim 4
Dependent Claim
38 words
The apparatus of claim 2 and further comprising: a discharge pipe connected to the output of said pump and including a plurality of outlets at various levels above the floor of said tank to discharge into said tank.
Claim 5
Dependent Claim
39 words
The apparatus of claim 3 wherein: said discharge pipe is a stand pipe at the front wall of the tank and connected to the front wall of the tank, said outlets being directed toward the rear of the tank.
Claim 6
Dependent Claim
48 words
The apparatus of claim 4 and further comprising: a pump inlet conduit, said inlet conduit having an inlet opening near the rear of the tank whereby fluid from the tank can be pumped from the rear toward the front and discharged again toward the rear of the tank.
Claim 7
Dependent Claim
65 words
The apparatus of claim 5 and further comprising: ladder means at the rear of the tank and including a portion with steps outside the tank and a portion with steps inside the tank, said ladder portion means with steps inside the tank being connected to said treadmill and cooperating with said pump discharge pipe to maintain the front-to-rear location of the treadmill in the tank.
Claim 8
Dependent Claim
57 words
The apparatus of claim 2 and further comprising: control means above the bottom of said tank and including a control member operatively connected to said valve means, said control member being located accessible to and manually operable by the exercising individual to facilitate changing the resistance of the pump to pumping action imparted thereto by the treadmill.
Claim 9
Dependent Claim
63 words
The apparatus of claim 7 and further comprising: water contained in said tank and up to a level within three feet above the bottom of said tank and providing bouyancy for a person in said tank; said control member being at a level above the surface of the water to facilitate the operation thereof by the person in the tank using the treadmill.
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) | 1989-03-17 | 1989-09-16 | 1990-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-17 | 1993-09-16 | 1994-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-17 | 1997-09-16 | 1998-03-18 | $7700.00 | Window Closed / Lapsed |