Patent US2536339A successfully refreshed from Google Patents.
US2536339A
Expired / Lapsed
US
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Plastic compositions containing corn proteins and method of making
Assignee: RCA Corp
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Filing: 1948-06-29
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Granted: 1951-01-02
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Expires: 1968-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Lawrence A Wood
- 👤 Eugene D O'mahony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:23
CPC Classifications
C; C08; C08L; C08L89/00; C08K; C08K5/00; C08K5/16; C08K5/32; C08L93/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A MOLDED ARTICLE MADE OF A COMPOSITION COMPRISING 30 TO 60 PARTS CORN PROTEIN, 37.5 TO 60 PARTS OF THE GASOLINE INSOLUBLE, AROMATIC HYDROCARBON SOLUBLE RESINOUS EXTRACT OF PINEWOOD AND 2.5 TO 12 PARTS ORTHONITROBIPHENYL.
Claim 2
Dependent Claim
35 words
A MOLDED ARTICLE MADE OF A COMPOSITION COMPRISING 30 TO 60 PARTS CORN PROTEIN, 37.5 TO 60 PARTS OF THE GASOLINE INSOLUBLE, AROMATIC HYDROCARBON SOLUBLE RESINOUS EXTRACT OF PINEWOOD AND 2.5 TO 12 PARTS ORTHONITROBIPHENYL.
References Cited (Backward Citations)
US840932A
Cited
US2284091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |