US3410718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol-formaldehyde novolak-phenolformaldehyde resole molding surface for a reinforced matrix base sheet
Assignee: Rogers Corp
•
Filing: 1965-02-23
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Granted: 1968-11-12
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Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:26
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/04; C08L61/06; C08L1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1233298A
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US2218351A
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US2888418A
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US2806832A
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US2977273A
Cited
US3002948A
Cited
DE1172278B
Cited
US3207652A
Cited
US3326825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |