Patent US1976433A successfully refreshed from Google Patents.
US1976433A
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US
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Emulsion and its preparation
Assignee: Bakelite Corp
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Filing: 1932-04-20
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Granted: 1934-10-09
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Expires: 1952-04-20
Abstract
No abstract record available.
Inventors
- 👤 Harold C Cheetham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J2361/00; C08J2361/04; C08J2361/06
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) | 1937-10-08 | 1938-04-09 | 1938-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-08 | 1942-04-09 | 1942-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-08 | 1946-04-09 | 1946-10-09 | $7700.00 | Window Closed / Lapsed |