US2850509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diketo-io
Assignee: —
•
Filing: —
•
Granted: 1958-09-02
•
Expires: 1975-09-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:03
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/32; A; A01; A01N; A01N25/00; A01N25/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
NEW AND USEFUL COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
7 words
NEW AND USEFUL COMPOUNDS HAVING THE FORMULA:
References Cited (Backward Citations)
US1534525A
Cited
US2430004A
Cited
US2652356A
Cited
US2623889A
Cited
US2703328A
Cited
US2626876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |