Patent US3193440A successfully refreshed from Google Patents.
US3193440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated articles and laminating preforms therefor
Assignee: Freeman Chemical Corp
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Filing: 1961-08-16
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Granted: 1965-07-06
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Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:10
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/33; B; B29; B29B; B29B11/00; B29B11/04; B29B11/06; B29C; B29C44/00; B29C44/02; B29C44/10; B29C67/00; B29C67/20; B29C67/207; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/086; B32; B32B; B32B27/00; B29K; B29K2105/00; B29K2105/04; B29K2105/06; B29K2105/08; B29K2105/0809; B29K2105/12; B29K2105/128; C08J2205/00; C08J2205/04; C08J2205/046; C08J2205/05; C08J2205/06; C08J2375/00; C08J2375/04; C08J2403/00; C08J2463/00; C08J2467/00; C08J2467/06; Y; Y10; Y10S; Y10S264/00; Y10S264/07; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986; Y10T428/249994; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A LAMINATED ARTICLE HAVING A GREASED SURFACE CONFIGURATION COMPRISING A FORMED UNITARY STRUCTURE FABRICATED FROM RESILIENT FRAGMENTS OF FLEXIBLE FOAMED POLYURETHANE HAVING OPEN, CONNECTED CELLS, THE SAID UNITARY STRUCTURE BEING IMPREGNATED WITH A THERMOSETTING RESINOUS COMPOSITION WHICH HAS BEEN CURED TO AN ESSENTIALLY FOAM-FREE HARDENED THERMOSET CONDITION WHILE THE SAID UNITARY STRUCTURE WAS MAINTAINED UNDER COMPRESSION AGAINST A MOLDED SURFACE WHICH IS SUBSTANTIALLY COEXTENSIVE WITH THE SAID UNITARY STRUCTURE AND WHICH IS IN COMPRESSIVE ABUTMENT WITH THE SAID UNITARY STRUCTURE WHEREBY THE SAID FRAGMENTS ARE SUBSTANTIALLY FLATTENED FROM THEIR UNCOMPRESSED THICKNESS.
Claim 2
Dependent Claim
91 words
A LAMINATED ARTICLE HAVING A GREASED SURFACE CONFIGURATION COMPRISING A FORMED UNITARY STRUCTURE FABRICATED FROM RESILIENT FRAGMENTS OF FLEXIBLE FOAMED POLYURETHANE HAVING OPEN, CONNECTED CELLS, THE SAID UNITARY STRUCTURE BEING IMPREGNATED WITH A THERMOSETTING RESINOUS COMPOSITION WHICH HAS BEEN CURED TO AN ESSENTIALLY FOAM-FREE HARDENED THERMOSET CONDITION WHILE THE SAID UNITARY STRUCTURE WAS MAINTAINED UNDER COMPRESSION AGAINST A MOLDED SURFACE WHICH IS SUBSTANTIALLY COEXTENSIVE WITH THE SAID UNITARY STRUCTURE AND WHICH IS IN COMPRESSIVE ABUTMENT WITH THE SAID UNITARY STRUCTURE WHEREBY THE SAID FRAGMENTS ARE SUBSTANTIALLY FLATTENED FROM THEIR UNCOMPRESSED THICKNESS.
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |