US3267151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethers of halomethylated diphenyl oxide
Assignee: Dow Chemical Co
•
Filing: 1961-03-22
•
Granted: 1966-08-16
•
Expires: 1981-03-22
Abstract
No abstract record available.
Inventors
- 👤 Pillepich John Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:56
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/257; C07C43/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOSITION HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
6 words
A COMPOSITION HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2396893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |