Patent US2473801A successfully refreshed from Google Patents.
US2473801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsions of polymerizable compositions
Assignee: Wyeth Holdings LLC
•
Filing: 1939-04-01
•
Granted: 1949-06-21
•
Expires: 1959-04-01
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kropa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:12
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/12; D06N3/121; B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/5008; B25B13/5016; B25B13/5025; B25B13/5041; B25B13/5058; C; C08; C08F; C08F283/00; C08F283/01; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D167/00; C09D167/06; C09D167/08; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/233; D06M15/263; D06M15/267; D06M15/37; D06M15/507; D06M15/51
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2078194A
Cited
US1975246A
Cited
DE547384C
Cited
US2047398A
Cited
US2036009A
Cited
US1967220A
Cited
US2029410A
Cited
US2104760A
Cited
US2279436A
Cited
US2155591A
Cited
US2160532A
Cited
US2182316A
Cited
US2255313A
Cited
US2166542A
Cited
US2443736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |