US3263336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying foam
Assignee: Chemet Enterprises
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Filing: 1962-11-23
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Granted: 1966-08-02
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 Sjogren Charles Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:31
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/02; F26B17/023; Y; Y10; Y10S; Y10S159/00; Y10S159/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
AN IMPROVED METHOD FOR DRYING FOAM DEPOSITED UPON AN ENDLESS PERFORATED BELT AND HAVING CRATERS FORMED THEREIN CORRESPONDING TO BELT PERFORATIONS, COMPRISING MOVING THE BELT AND FOAM ALONG A LONGITUDINALLY PLANAR PATH THROUGH A DRYING REGION, DIRECTING A DRYING MEDIUM FROM A SOURCE VERTICALLY DISPLACED FROM ONE LONGITUDINAL EDGE IN A DIRECTION SUBSTANTIALLY NORMAL TO THE DIRECTION OF MOVEMENT OF THE BELT, AND CONSTRICTING THE DRYING MEDIUM AS IT TRAVELS ACROSS THE BELT AND FOAM AND PASSES
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |