Patent US3112335A successfully refreshed from Google Patents.
US3112335A
Expired / Lapsed
US
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Phosphoric acid styrene oxide ester
Assignee: Richardson Co
•
Filing: 1961-09-13
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Granted: 1963-11-26
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Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Ronay
- 👤 Robert D Dexheimer
- 👤 Ralph P Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:35
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/098; C07F9/091; C07F9/094; C08; C08F; C08F30/00; C08F30/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AN ESTER OF ACIDS OF PHOSPHORUS FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
11 words
AN ESTER OF ACIDS OF PHOSPHORUS FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2372244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |