Patent US3067222A successfully refreshed from Google Patents.
US3067222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ether-esters of carboxylic acids
Assignee: Dow Chemical Co
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Filing: 1960-04-04
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Granted: 1962-12-04
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:42
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/22; C07C69/28; C07C69/12; C07C69/16; C07C69/62; C07C69/63; C07C69/76; C07C69/84; C07C69/86; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/331; C08G65/332; C08G65/3322; C11; C11D; C11D1/00; C11D1/66; C11D1/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AN ETHER-ESTER OF A CARBOXYLIC ACID WHICH HAS THE FORMULA
Claim 2
Dependent Claim
10 words
AN ETHER-ESTER OF A CARBOXYLIC ACID WHICH HAS THE FORMULA
References Cited (Backward Citations)
US2575440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |