US2043922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion oil composition
Assignee: Alox Corp
•
Filing: 1931-05-14
•
Granted: 1936-06-09
•
Expires: 1951-05-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Burwell
- 👤 Kempe Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:36
CPC Classifications
C; C10; C10M; C10M173/00; C09; C09K; C09K23/00; C10M2201/00; C10M2201/02; C10M2203/00; C10M2205/00; C10M2205/16; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01; C10N2060/00; C10N2060/04; Y; Y10; Y10S; Y10S516/00; Y10S516/01
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) | 1939-06-09 | 1939-12-09 | 1940-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-09 | 1943-12-09 | 1944-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-09 | 1947-12-09 | 1948-06-09 | $7700.00 | Window Closed / Lapsed |