Patent US3432494A successfully refreshed from Google Patents.
US3432494A
Expired / Lapsed
US
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Aryl alkyl arsinic acids and salts thereof
Assignee: GAF Corp
•
Filing: 1966-05-19
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Granted: 1969-03-11
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Expires: 1986-05-19
Abstract
No abstract record available.
Inventors
- 👤 Max Eugene Chiddix
- 👤 Edward Oliver Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:31
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/66; C07F9/70; C07F9/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
ARYL ALKYL ARSINIC ACID COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
9 words
ARYL ALKYL ARSINIC ACID COMPOUNDS HAVING THE GENERAL FORMULA:
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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |