Patent US3243491A successfully refreshed from Google Patents.
US3243491A
Expired / Lapsed
US
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Methods of making foam products
Assignee: Uniroyal Inc
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Filing: 1962-10-01
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Granted: 1966-03-29
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Bethe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:48
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/58; B29C33/00; B29C33/0022; B29C33/34; B29C33/38; B29C33/3814; B29C33/56; B29C33/60; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF MAKING FOAM PRODUCTS ON A POROUS SURFACE HAVING INTERSTICES OF SUFFICIENT SIZE THAT LATEX FROTH WOULD ORDINARILY PASS THERETHROUGH, COMPRISING THE STEPS OF: APPLYING FOAM COAGULANT TO SAID SURFACE WITHOUT BLOCKING THE INTERSTICES THEREOF; AND POURING LATEX FROTH UPON SAID SURFACE; WHEREBY, THE FROTH THAT CONTACTS SAID COAGULANT RAPIDLY GELS TO PREVENT PASSAGE OF SAID LATEX FROTH THROUGH SAID INTERSTICES.
Claim 2
Independent Claim
63 words
A METHOD OF MAKING FOAM PRODUCTS ON A POROUS SURFACE HAVING INTERSTICES OF SUFFICIENT SIZE THAT LATEX FROTH WOULD ORDINARILY PASS THERETHROUGH, COMPRISING THE STEPS OF: APPLYING FOAM COAGULANT TO SAID SURFACE WITHOUT BLOCKING THE INTERSTICES THEREOF; AND POURING LATEX FROTH UPON SAID SURFACE; WHEREBY, THE FROTH THAT CONTACTS SAID COAGULANT RAPIDLY GELS TO PREVENT PASSAGE OF SAID LATEX FROTH THROUGH SAID INTERSTICES.
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |