US3452122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing uniform colored foamed materials
Assignee: General Foam Products Ltd
•
Filing: 1966-01-19
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Granted: 1969-06-24
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Alfred Stern
- 👤 Neville Maurice Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:26
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/33; B; B29; B29B; B29B17/00; B29B17/0026; B29C; B29C67/00; B29C67/20; B29C67/207; B29K; B29K2075/00; C08J2375/00; C08J2375/04; C08J2475/00; C08J2475/04; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62; Y10; Y10S; Y10S264/00; Y10S264/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2892216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |