Patent US2584603A successfully refreshed from Google Patents.
US2583356A
Expired / Lapsed
US
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Phosphoryl compounds of ester substituted alcohols
Assignee: Uniroyal Inc
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Filing: 1947-12-31
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Granted: 1952-01-22
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Expires: 1967-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jr William F Brucksch
- 👤 Louis H Howland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:03
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
9 words
A PRODUCT OF THE FORMULA (R.O)3PO WHERE R IS
References Cited (Backward Citations)
US1970510A
Cited
US2428787A
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US2384117A
Cited
US2379251A
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US2394829A
Cited
US2443740A
Cited
US2426691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |