Patent US2974677A successfully refreshed from Google Patents.
Patent US3697653A successfully refreshed from Google Patents.
US3697653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A method of treating osteoarthritic joints with polysiloxanes
Assignee: Individual
•
Filing: 1969-07-11
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Granted: 1972-10-10
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Expires: 1989-07-11
Abstract
Abstract Joints are treated for osteoarthritis and other conditions in both animals and human beings by injection of pure polysiloxane fluid (such as dimethylpolysiloxane, methylphenylpolysiloxane and fluoromethylpolysiloxane).
Inventors
- 👤 Milne Joseph Ongley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:52
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/695
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
22 words
The method of claim 1 wherein said polysiloxane is dimethylpolysiloxane having a viscosity in the range of approximately 50 to 10,000 centistokes.
Claim 2
Dependent Claim
17 words
The method of claim 1 wherein said polysiloxane is methylphenylpolysiloxane having a viscosity of about 20 centistokes.
Claim 3
Dependent Claim
17 words
The method of claim 1 wherein said polysiloxane is fluoromethylpolysiloxane having a viscosity of about 1,000 centistokes.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |