US1967220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion
Assignee: EIDP Inc
•
Filing: 1933-04-01
•
Granted: 1934-07-24
•
Expires: 1953-04-01
Abstract
No abstract record available.
Inventors
- 👤 Barrett Harold James
- 👤 Dorough George Lowrance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:23
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J2321/00; 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) | 1937-07-23 | 1938-01-22 | 1938-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-23 | 1942-01-22 | 1942-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-23 | 1946-01-22 | 1946-07-24 | $7700.00 | Window Closed / Lapsed |