US2132854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsifier
Assignee: Individual
•
Filing: 1937-07-16
•
Granted: 1938-10-11
•
Expires: 1957-07-16
Abstract
No abstract record available.
Inventors
- 👤 Frank W Knott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:46
CPC Classifications
A; A01; A01J; A01J11/00; A01J11/16; B; B01; B01F; B01F25/00; B01F25/40; B01F25/45; B01F25/452; B01F25/4521; B01F2215/00; B01F2215/04; B01F2215/0413; B01F2215/0418; B01F2215/0431
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) | 1941-10-10 | 1942-04-11 | 1942-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-10 | 1946-04-11 | 1946-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-10 | 1950-04-11 | 1950-10-11 | $7700.00 | Window Closed / Lapsed |