Patent US2083666A successfully refreshed from Google Patents.
Patent US3382273A successfully refreshed from Google Patents.
US3382273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable, neutral, water-soluble derivatives of aspirin
Assignee: Individual
•
Filing: 1965-10-07
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Granted: 1968-05-07
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Galat Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:28
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/12; C07C69/14; C07C69/145; C07C69/157; C07C233/00; C07C233/01; C07C233/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2447396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |