US3290260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making porous resin structures
Assignee: Arthur D Little Inc
•
Filing: 1963-08-16
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Granted: 1966-12-06
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Henry L Buccigross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; C08J9/40; C08J9/42; C08J2361/00; C08J2427/00; C08J2429/00; C08J2491/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2964424A
Cited
US3063952A
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US3057750A
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US3006871A
Cited
US3138563A
Cited
US3189479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |