US3437665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing 1-aryl-5-chloro-1h-tetrazole
Assignee: Eastman Kodak Co
•
Filing: 1964-10-26
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Granted: 1969-04-08
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Cataldo A Maggiulli
- 👤 Raymond E Paine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:36
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; C07D257/06; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2386869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |