US3474065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic resins for elastomeric compositions
Assignee: Hooker Chemical Corp
•
Filing: 1967-07-10
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Granted: 1969-10-21
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Expires: 1987-07-10
Abstract
No abstract record available.
Inventors
- 👤 John J Gburek
- 👤 Frank M Bryzinsky
- 👤 Frank S Grazen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:16
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G14/00; C08G14/02; C08G14/04; C08L; C08L21/00; C08L61/00; C08L61/04; C08L61/06; G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; C08L23/00; C08L23/02; C08L23/16; C08L33/00; C08L33/18; C08L33/20; C08L9/00; C08L9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2270959A
Cited
US2459739A
Cited
US2485097A
Cited
US2916471A
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US2898321A
Cited
US3066060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |