Patent US1993738A successfully refreshed from Google Patents.
US1993738A
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US
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Myristyl esters of polycarboxylic acids
Assignee: EIDP Inc
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Filing: 1934-08-31
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Granted: 1935-03-12
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Expires: 1954-08-31
Abstract
No abstract record available.
Inventors
- 👤 Graves George De Witt
- 👤 Lawson Walter Eastby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:55
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/34; C10M2215/00; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
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) | 1938-03-11 | 1938-09-10 | 1939-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-11 | 1942-09-10 | 1943-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-11 | 1946-09-10 | 1947-03-12 | $7700.00 | Window Closed / Lapsed |