Patent US3063952A successfully refreshed from Google Patents.
US3063952A
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Method of making a synthetic resin foam by forcing material through a microporous structure
Assignee: WERNER H KREIDL DR
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Filing: 1958-09-09
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Granted: 1962-11-13
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Expires: 1978-09-09
Abstract
No abstract record available.
Inventors
- 👤 Vieli Otto Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:22
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; B; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B29B7/7409; B29B7/7419; Y; Y10; Y10S; Y10S261/00; Y10S261/26; Y10S521/00; Y10S521/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
IN A METHOD FOR THE MANUFACTURE OF A SYNTHETIC RESIN FOAM, THE STEPS COMPRISING FORCING AT LEAST A SOLUTION OF A FOAMING AGENT, TOGETHER WITH A GAS, THROUGH A RESILIENT BODY OF MICRO-POROUS SPONGE-LIKE STRUCTURE, THEREAFTER
Claim 2
Dependent Claim
36 words
IN A METHOD FOR THE MANUFACTURE OF A SYNTHETIC RESIN FOAM, THE STEPS COMPRISING FORCING AT LEAST A SOLUTION OF A FOAMING AGENT, TOGETHER WITH A GAS, THROUGH A RESILIENT BODY OF MICRO-POROUS SPONGE-LIKE STRUCTURE, THEREAFTER
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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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |