Patent US2701247A successfully refreshed from Google Patents.
US2701247A
Expired / Lapsed
US
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Chs ch
Assignee: —
•
Filing: —
•
Granted: 1955-02-01
•
Expires: 1972-02-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:17
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/56; C07D211/58; C07D295/00; C07D295/04; C07D295/10; C07D295/112; C07D295/116
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
A MEMBER OF THE CLASS CONSISTING OF 2-(TERTIARY AMINO) ALKYLAMINO)-P-BENZOQUINONES HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
A MEMBER OF THE CLASS CONSISTING OF 2-(TERTIARY AMINO) ALKYLAMINO)-P-BENZOQUINONES HAVING THE FORMULA
Claim 3
Dependent Claim
10 words
THE PROCESS FOR PREPARING A 2-((TERTIARY AMINO)ALKYLAMINO)-5-Z2-P-BENZOQUINONE HAVING THE FORMULA
Claim 4
Dependent Claim
10 words
THE PROCESS FOR PREPARING A 2-((TERTIARY AMINO)ALKYLAMINO)-5-Z2-P-BENZOQUINONE HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |