US2686198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxy alkyl ethers of vanillic acid and esters thereof
Assignee: Rayonier Inc
•
Filing: 1951-07-24
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Granted: 1954-08-10
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Expires: 1971-07-24
Abstract
No abstract record available.
Inventors
- 👤 Louis H Bock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:01
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/664; C07; C07C; C07C65/00; C07C65/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
THE NEW COMPOUNDS REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
7 words
THE NEW COMPOUNDS REPRESENTED BY 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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |