Patent US2695298A successfully refreshed from Google Patents.
US2695298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast bases of the azole series
Assignee: —
•
Filing: —
•
Granted: 1954-11-23
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Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:08
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/82; C07D263/00; C07D263/52; C07D263/54; C07D263/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOUND OF THE FORMULA IN WHICH X IS SELECTED FROM THE GROUP CONSISTING OF O AND S, R'' IS SELECTED FROM THE GROUP CONSISTING OF H AND R2CO AND R AND R2 ARE LOWER ALKYL.
Claim 2
Dependent Claim
36 words
A COMPOUND OF THE FORMULA IN WHICH X IS SELECTED FROM THE GROUP CONSISTING OF O AND S, R'' IS SELECTED FROM THE GROUP CONSISTING OF H AND R2CO AND R AND R2 ARE LOWER ALKYL.
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) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |