Patent US3244722A successfully refreshed from Google Patents.
US3244722A
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US
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Certain ethers of (trichloromethyl) pyridine compounds
Assignee: Dow Chemical Co
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Filing: 1964-01-28
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Granted: 1966-04-05
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Expires: 1984-01-28
Abstract
No abstract record available.
Inventors
- 👤 Johnston Howard
- 👤 Mary S Tomita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:18
CPC Classifications
C; C05; C05G; C05G3/00; C05G3/60; C05G3/90; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/952
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A (TRICHLOROMETHYL) PYRIDINE ETHER COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
8 words
A (TRICHLOROMETHYL) PYRIDINE ETHER COMPOUND HAVING THE FORMULA
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |