Patent US3705579A successfully refreshed from Google Patents.
US3705579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Massage device
Assignee: Individual
•
Filing: 1971-03-02
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Granted: 1972-12-12
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Expires: 1991-03-02
Abstract
Abstract A massage device permitting the user to massage his own back; it is constituted by a kind of bobbin having a narrowed central portion and, symmetrically on each side of said portion, two bodies of revolution the surface of each of which is a quadric, the application of the self-massaging device being effected by the user himself who interposes it between his back and a flat surface, the user moving his back parallel to the flat surface in such manner as to cause the device to roll on itself while being maintained against the said surface.
Inventors
- 👤 Jean-Louis Morini
- 👤 Pierre Rigal
- 👤 Jean Leduc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:01
CPC Classifications
A; A61; A61H; A61H15/00; A61H2205/00; A61H2205/08; A61H2205/081
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
127 words
A massage device permitting a user to massage his own back by placing said device between his back and a flat surface, said device comprising: a body, a central narrowed portion in said body, two bodies of revolution, the surface of each of which is a quadric, said bodies being disposed symmetrically on each side of said narrowed portion, characterized in that said central narrowed portion is formed by two truncated cones coupled together by the smaller bases thereof and a substantially cylindrical coupling zone is provided between each large base of said truncated cones and the corresponding body of revolution, whereby: said body rolls on itself by the action of the user''s back and thus effects a massaging of the back without injuring the spinal column.
Claim 2
Dependent Claim
127 words
A massage device permitting a user to massage his own back by placing said device between his back and a flat surface, said device comprising: a body, a central narrowed portion in said body, two bodies of revolution, the surface of each of which is a quadric, said bodies being disposed symmetrically on each side of said narrowed portion, characterized in that said central narrowed portion is formed by two truncated cones coupled together by the smaller bases thereof and a substantially cylindrical coupling zone is provided between each large base of said truncated cones and the corresponding body of revolution, whereby: said body rolls on itself by the action of the user''s back and thus effects a massaging of the back without injuring the spinal column.
Claim 3
Dependent Claim
18 words
A device as claimed in claim 1, in which each of said bodies of revolution is a half-sphere.
Claim 4
Dependent Claim
17 words
A device as claimed in claim 1, in which said body is made of an elastic material.
Claim 5
Dependent Claim
23 words
A device as claimed in claim 1, in which said body is made in a single piece by moulding, injection and the like.
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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |