US2443893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making stable emulsions of resinous materials
Assignee: Shawinigan Chemicals Ltd
•
Filing: 1945-05-16
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Granted: 1948-06-22
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Expires: 1965-05-16
Abstract
No abstract record available.
Inventors
- 👤 Collins Henry Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:07
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/07; C09; C09D; C09D129/00; C09D129/02; C09D129/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB475162A
Cited
US2190705A
Cited
US2216233A
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US2296427A
Cited
US2279387A
Cited
US2343092A
Cited
US2396607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |