US3484391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic foam composition
Assignee: United States Atomic Energy Commission
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Filing: 1966-04-14
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Granted: 1969-12-16
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Expires: 1986-04-14
Abstract
No abstract record available.
Inventors
- 👤 Seth J Wheatley
- 👤 David B Rains
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:47
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0085; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; C08L; C08L61/00; C08L61/04; C08L61/06; C08L83/00; C08L83/04; C08J2361/00; C08J2361/04; C08J2361/06; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 0
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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) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |