Patent US3716633A successfully refreshed from Google Patents.
Patent US3293108A successfully refreshed from Google Patents.
US3293108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textured foam products
Assignee: Congoleum Industries Inc
•
Filing: 1965-10-22
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Granted: 1966-12-20
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Nairn R Frank
- 👤 Jr Joseph C Harkins
- 👤 Jr Frank E Ehrenfeld
- 👤 Tarlow Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:52
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; D06N7/0015; C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/101; Y; Y10; Y10S; Y10S264/00; Y10S264/82; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A CELLULAR FOAM PRODUCT HAVING A SURFACE CONTAINING DEPRESSED AREAS COMPRISING A LAYER OF CELLULAR FOAM OF RESINOUS COMPOSITION CONTAINING A BLOWING AGENT AND THERMAL DECOMPOSITION PRODUCTS OF SAID BLOWING AGENT, SAID LAYER HAVING FIRST PORTIONS WHICH CORRESPOND TO SAID DEPRESSED AREAS AND HAVING A THICKNESS LESS THAN THE THICKNESS OF SECOND PORTIONS OF SAID LAYER, AND HAVING ON THE SURFACE OF ONE OF SAID FIRST AND SAID SECOND PORTIONS A SECOND LAYER CONTAINING AN INHIBITOR FOR SAID BLOWING AGENT WHICH IS AT LEAST PARTIALLY SOLUBLE IN SAID RESINOUS COMPOSITION BLOW THE DECOMPOSITION TEMPERATURE OF SAID BLOWING AGENT AND A PORTION OF WHICH HAS PENETRATED INTO AND SUBSTANTIALLY ALTERED THE TEMPERATURE AT WHICH SAID BLOWING AGENT DECOMPOSES.
Claim 2
Dependent Claim
42 words
THE PRODUCT OF CLAIM 25 WHEREIN SAID LAYER OF CELLULAR FOAM HAS A RESINOUS COMPOSITION WEAR LAYER, SAID INHIBITOR IS ON THE SURFACE OF SAID WAR LAYER AND A BACKING WEB IN AFFIXED TO THE OPPOSITE SURFACE OF SAID CELLULAR FOAM LAYER.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |