US1906484A
Expired / Lapsed
US
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Assignee: IG Farbenindustrie AG
•
Filing: 1931-03-26
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Granted: 1933-05-02
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Expires: 1951-03-26
Abstract
No abstract record available.
Inventors
- 👤 Nuesslein Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:43
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D10/00; C11D10/04; C11D10/042; C11D17/00; C11D17/06; C11D1/126; C11D1/28; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
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) | 1936-05-01 | 1936-10-31 | 1937-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-01 | 1940-10-31 | 1941-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-01 | 1944-10-31 | 1945-05-02 | $7700.00 | Window Closed / Lapsed |