US3243491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of making foam products
Assignee: Uniroyal Inc
•
Filing: 1962-10-01
•
Granted: 1966-03-29
•
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
2026-10-25 17:12
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.
References Cited (Backward Citations)
US1945256A
Cited
US1948989A
Cited
US2132502A
Cited
US1969275A
Cited
US2227809A
Cited
US2595964A
Cited
US2604664A
Cited
US2707801A
Cited
US3136832A
Cited
US3081496A
Cited
US3076226A
Cited
US3608523A
Cited
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 |