Patent US2328358A successfully refreshed from Google Patents.
US2328358A
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Organic compound and process for preparing the same
Assignee: EIDP Inc
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Filing: 1941-01-23
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Granted: 1943-08-31
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Expires: 1961-01-23
Abstract
No abstract record available.
Inventors
- 👤 Pikl Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:41
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/14; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/28; C09B1/30; C09B1/303; C09B69/00; C09B69/007; C22; C22B; C22B7/00; C22B7/02; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; Y; Y02; Y02P; Y02P10/00; Y02P10/20
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) | 1946-08-30 | 1947-03-01 | 1947-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-30 | 1951-03-01 | 1951-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-30 | 1955-03-01 | 1955-08-31 | $7700.00 | Window Closed / Lapsed |