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US3277174A
Expired / Lapsed
US
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4, 4'-bis(alkylamino)-n-alkyl-, cyclo-alkylor-aromatic-diphenylamines
Assignee: Uniroyal Inc
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Filing: 1963-09-25
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Granted: 1966-10-04
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Edward L Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:24
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/43; C07C211/54; C07C211/55; C07C209/00; C07C209/04; C07C209/14; C07C209/18; C07C209/30; C07C209/32; C07C209/36; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF 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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |