US3752153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head stand exerciser
Assignee: Individual
•
Filing: 1972-05-05
•
Granted: 1973-08-14
•
Expires: 1992-05-05
Abstract
Abstract A platform provided with a harness for complete comfortable support is rotatable by the user and controlled during use both in degree of rotation and duration at any position up to the head down position.
Inventors
- 👤 D Copeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:22
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H2203/00; A61H2203/04; A61H2203/0481; A61H2203/0493
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A combination of a frame and a platform, said frame having bearings for spindling said platform, said platform provided with a motor, driving gear and controls, said gear engaging a sector rack, having its center at said bearings, affixed to said frame, said platform provided with harnesses, head and foot platforms for holding a person comfortably in tilted attitudes through any angle up to the inverted position, said controls readily available to the person in the harnessed position.
Claim 2
Dependent Claim
78 words
A combination of a frame and a platform, said frame having bearings for spindling said platform, said platform provided with a motor, driving gear and controls, said gear engaging a sector rack, having its center at said bearings, affixed to said frame, said platform provided with harnesses, head and foot platforms for holding a person comfortably in tilted attitudes through any angle up to the inverted position, said controls readily available to the person in the harnessed position.
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) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |