Patent US3330683A successfully refreshed from Google Patents.
Patent US3173952A successfully refreshed from Google Patents.
US3173952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tris-(3, 5-dialkyl-4-hydroxybenzyl) amines
Assignee: Monsanto Co
•
Filing: 1959-12-24
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Granted: 1965-03-16
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Martin W Farrar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:13
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/34; C08K5/3412; C08K5/3432
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE STRUCTURE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |