Patent US3035971A successfully refreshed from Google Patents.
US3035971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ophthalmic composition
Assignee: Individual
•
Filing: 1957-12-16
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Granted: 1962-05-22
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Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Cliff L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:50
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/22; A61K31/00; A61K31/21; A61K31/215; A61K31/22; A61K31/23; A61K36/00; A61K36/18; A61K36/185; A61K36/55; A61K9/00; A61K9/0012; A61K9/0048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A NONAQUEOUS COMPOSITION COMPRISING DIETHYL ESTER, CAMPHOR GUM AND LINSEED OIL.
Claim 2
Dependent Claim
11 words
A NONAQUEOUS COMPOSITION COMPRISING DIETHYL ESTER, CAMPHOR GUM AND LINSEED OIL.
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |