Patent US2877259A successfully refreshed from Google Patents.
US2877259A
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Di-(alkyl)-mono-(alkylphenyl)-phosphites
Assignee: Uniroyal Inc
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Filing: 1954-09-10
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Granted: 1959-03-10
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Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 John C Bill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:05
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/145; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOUNDS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
5 words
COMPOUNDS REPRESENTED BY THE 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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |