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US2572066A
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Trifluoromethyl phenyl-beta-naphthylamines
Assignee: Individual
•
Filing: 1950-10-30
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Granted: 1951-10-23
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Expires: 1970-10-30
Abstract
No abstract record available.
Inventors
- 👤 Nathan L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:13
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/223; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A TRIFLUOROMETHYL PHENYL-B-NAPHTHYLAMINE OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
7 words
A TRIFLUOROMETHYL PHENYL-B-NAPHTHYLAMINE OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2212825A
Cited
US2432393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |