US3297536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating skin and reducing pore size
Assignee: Individual
•
Filing: 1964-09-15
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Granted: 1967-01-10
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Robert R Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:43
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/046; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF CONDITIONING THE SKIN AND RETAINING DIMINISHED SKIN PORE SIZE WHICH COMPRISES SPRAYING THE SKIN WITH AN AEROSOL MIXTURE CONSISTING ESSENTIALLY OF AN ANHYDROUS DENATURED LOWER ALKYL ALCOHOL AND A PROPELLANT, SAID PROPELLANT CONSISTING ESSENTIALLY OF DICHLORODIFLUOROMETHANE AND TRICHLOROFLUOROMETHANE WHEREIN THE TRICHLOROFLUOROMETHANE IS PRESENT IN A PROPORTION OF NO MORE THAN 52% BY WEIGHT OF THE MIXTURE, THE PROPELLANT CONSTITUTING AT LEAST 90% BY WEIGHT OF THE COMPOSITION.
Claim 2
Independent Claim
70 words
A METHOD OF CONDITIONING THE SKIN AND RETAINING DIMINISHED SKIN PORE SIZE WHICH COMPRISES SPRAYING THE SKIN WITH AN AEROSOL MIXTURE CONSISTING ESSENTIALLY OF AN ANHYDROUS DENATURED LOWER ALKYL ALCOHOL AND A PROPELLANT, SAID PROPELLANT CONSISTING ESSENTIALLY OF DICHLORODIFLUOROMETHANE AND TRICHLOROFLUOROMETHANE WHEREIN THE TRICHLOROFLUOROMETHANE IS PRESENT IN A PROPORTION OF NO MORE THAN 52% BY WEIGHT OF THE MIXTURE, THE PROPELLANT CONSTITUTING AT LEAST 90% BY WEIGHT OF THE COMPOSITION.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |