Patent US3253022A successfully refreshed from Google Patents.
US3253022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-aryl substituted 2, 3, 6-trichlorobenzalimines
Assignee: Hooker Chemical Corp
•
Filing: 1961-10-09
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Granted: 1966-05-24
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Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Linder Jerome
- 👤 Edward D Weil
- 👤 Dorfman Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:53
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/347; C07C51/377; C07D; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
N-SUBSTITUTED-2,3,6-TRICHLOROBENZALIMINES OF THE STRUCTURE
Claim 2
Dependent Claim
4 words
N-SUBSTITUTED-2,3,6-TRICHLOROBENZALIMINES OF THE STRUCTURE
References Cited (Backward Citations)
US2027902A
Cited
US2863752A
Cited
US2703333A
Cited
US2977209A
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US2955927A
Cited
US2847472A
Cited
US2847473A
Cited
US2978310A
Cited
US3084192A
Cited
US3046104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |