Patent US2436328A successfully refreshed from Google Patents.
US2436328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol formaldehyde resin-glycinin protein emulsion
Assignee: Westinghouse Electric Corp
•
Filing: 1942-03-24
•
Granted: 1948-02-17
•
Expires: 1962-03-24
Abstract
No abstract record available.
Inventors
- 👤 Philip K Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:55
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/07; C08J2361/00; C08J2361/04; C08J2361/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1160365A
Cited
US1855384A
Cited
GB293232A
Cited
US2027090A
Cited
US1997868A
Cited
US1976433A
Cited
US2022004A
Cited
US2066857A
Cited
US2068926A
Cited
US2058085A
Cited
US2172392A
Cited
US2278291A
Cited
US2262422A
Cited
US2325302A
Cited
US2311244A
Cited
US2264732A
Cited
US2338602A
Cited
US2271620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |