Patent US3114755A successfully refreshed from Google Patents.
US3114755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing bis-(monosubstitutedamino)-benzoquinones and monosubstitutedamino-naphthoquinones
Assignee: Uniroyal Inc
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Filing: 1961-03-10
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Granted: 1963-12-17
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Rupert A Covey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:46
CPC Classifications
C; C07; C07C; C07C221/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A PROCESS FOR PREPARING MONOSUBSTITUTEDAMINOQUINONES HAVING A FORMULA SELECTED FROM THE GROUP CONSSISTING OF
Claim 2
Dependent Claim
14 words
A PROCESS FOR PREPARING MONOSUBSTITUTEDAMINOQUINONES HAVING A FORMULA SELECTED FROM THE GROUP CONSSISTING OF
References Cited (Backward Citations)
US2701247A
Cited
US3037015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |