Patent US3056762A successfully refreshed from Google Patents.
US3056762A
Expired / Lapsed
US
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Phenolic resins
Assignee: Interchemical Corp
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Filing: 1959-08-25
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Granted: 1962-10-02
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Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Tringali
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:35
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/38; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
NEW PHENOIC RESINS COMPRISING THE REACTION PRODUCT OF FORMALDEHYDE WITH A POLYHYDRIC PHENOL HAVING THE FORMULA
Claim 2
Dependent Claim
16 words
NEW PHENOIC RESINS COMPRISING THE REACTION PRODUCT OF FORMALDEHYDE WITH A POLYHYDRIC PHENOL HAVING THE FORMULA
References Cited (Backward Citations)
US2844553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |