US2827665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of flexible cellular material
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1954-10-26
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Granted: 1958-03-25
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Expires: 1974-10-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Rogers
- 👤 Newell R Bender
- 👤 Broeck Theodore R Ten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/20; B29C44/28; B29C33/00; B29C33/34; Y; Y10; Y10S; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN THE PROCESS OF MANUFACTURING A FLEXIBLE, CELLULAR PRODUCT FROM A LIQUID REACTION MIXTURE COMPRISING AN ACTIVE-HYDROGEN-CONTAINING POLYMERIC MATERIAL, AN ORGANIC POLYISOCYANATE AND WATER, WHICH INCLUDES THE STEPS OF DISTRIBUTING SAID REACTION MIXTURE ONTO A SURFACE FROM WHICH THE REACTION MIXTURE EXPANDS, FREE OF VERTICAL RESTRAINT, BY THE GENATERATION OF CARBON DIOXIDE IN SITU, AND SETTING THE EXPANDED REACTION MIXTURE TO FORM A FLEXIBLE CELLULAR PRODUCT THE IMPROVEMENT WHICH COMPRISES INCLINING THE SURFACE, ONTO WHICH THE REACTION MIXTURE IS DISTRIBUTED, DOWNWARDLY AWAY FROM THE POINT OF DISTRIBUTION AT AN ANGLE RANGING FROM 4* TO 10* BELOW HORIZONTAL, SO THAT A SUBSTANTIALLY HORIZONTAL CONDITION IS MAINTAINED IN THE UPPER LEVEL OF THE EXPANDING REACTION MIXTURE WHILE THE LIQUID REACTION MIXTURE IS BEING DISTRIBUTED AND WHILE THE DISTRI/BUTED REACTION MIXTURE IS EXPANDING.
Claim 2
Dependent Claim
130 words
IN THE PROCESS OF MANUFACTURING A FLEXIBLE, CELLULAR PRODUCT FROM A LIQUID REACTION MIXTURE COMPRISING AN ACTIVE-HYDROGEN-CONTAINING POLYMERIC MATERIAL, AN ORGANIC POLYISOCYANATE AND WATER, WHICH INCLUDES THE STEPS OF DISTRIBUTING SAID REACTION MIXTURE ONTO A SURFACE FROM WHICH THE REACTION MIXTURE EXPANDS, FREE OF VERTICAL RESTRAINT, BY THE GENATERATION OF CARBON DIOXIDE IN SITU, AND SETTING THE EXPANDED REACTION MIXTURE TO FORM A FLEXIBLE CELLULAR PRODUCT THE IMPROVEMENT WHICH COMPRISES INCLINING THE SURFACE, ONTO WHICH THE REACTION MIXTURE IS DISTRIBUTED, DOWNWARDLY AWAY FROM THE POINT OF DISTRIBUTION AT AN ANGLE RANGING FROM 4* TO 10* BELOW HORIZONTAL, SO THAT A SUBSTANTIALLY HORIZONTAL CONDITION IS MAINTAINED IN THE UPPER LEVEL OF THE EXPANDING REACTION MIXTURE WHILE THE LIQUID REACTION MIXTURE IS BEING DISTRIBUTED AND WHILE THE DISTRI/BUTED REACTION MIXTURE IS EXPANDING.
References Cited (Backward Citations)
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US2336944A
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US2512506A
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US2639252A
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US2716778A
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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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |