Patent US2402940A successfully refreshed from Google Patents.
US2402940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating cashew nut shell liquid
Assignee: General Foods Corp
•
Filing: 1943-09-15
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Granted: 1946-07-02
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Expires: 1963-09-15
Abstract
No abstract record available.
Inventors
- 👤 Norton E Berry
- 👤 Roland E Kremers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:28
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/50; Y; Y10; Y10S; Y10S159/00; Y10S159/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-01 | 1949-12-31 | 1950-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-01 | 1953-12-31 | 1954-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-01 | 1957-12-31 | 1958-07-02 | $7700.00 | Window Closed / Lapsed |