US3485774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the formation of foamable compositions
Assignee: EIDP Inc
•
Filing: 1966-04-21
•
Granted: 1969-12-23
•
Expires: 1986-04-21
Abstract
No abstract record available.
Inventors
- 👤 Winfield Lewis Mckenica
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:59
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; B; B29; B29C; B29C44/00; B29C44/34; B29C44/3442; Y; Y10; Y10S; Y10S264/00; Y10S264/05; Y10S264/13; Y10S264/17; Y10S521/00; Y10S521/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3160688A
Cited
US3188295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |