US3028342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst composition
Assignee: North American Aviation Corp
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Filing: 1956-04-02
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Granted: 1962-04-03
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Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Katz Irving
- 👤 Giles A Plew
- 👤 Jardine C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:26
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/44; C08G59/68; C08G59/686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A HEAT CURABLE COMPOSITION COMPRISING A GLYCIDYL ETHER OF A POLYHYDRIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND POLYHYDRIC PHENOLS HAVING AN EPOXIDE EQUIVALENT WEIGHT OF FROM ABOUT 140 TO 210 AND A CURING COMPOSITION CONSISTING ESSENTIALLY OF (1) AN AMIDE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
49 words
A HEAT CURABLE COMPOSITION COMPRISING A GLYCIDYL ETHER OF A POLYHYDRIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND POLYHYDRIC PHENOLS HAVING AN EPOXIDE EQUIVALENT WEIGHT OF FROM ABOUT 140 TO 210 AND A CURING COMPOSITION CONSISTING ESSENTIALLY OF (1) AN AMIDE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |