US2919226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservative use of 4-hydroxy-3, 5-dimethoxyallylbenzene
Assignee: Merck Frosst Canada and Co
•
Filing: 1957-11-08
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Granted: 1959-12-29
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Expires: 1977-11-08
Abstract
No abstract record available.
Inventors
- 👤 Levi Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:48
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/08; A01N31/16; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/853; Y10S435/856; Y10S435/885; Y10S435/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2516412A
Cited
US2470906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |