US2898626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming foamed material
Assignee: Sterling Alderfer Co
•
Filing: 1955-10-10
•
Granted: 1959-08-11
•
Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Sterling W Alderfer
- 👤 Harry D Bodley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29C44/334; B29C44/321; Y; Y10; Y10S; Y10S264/00; Y10S264/14; Y10S521/00; Y10S521/917; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |