Patent US2981629A successfully refreshed from Google Patents.
US2981629A
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Process of dehydrating foams
Assignee: Individual
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Filing: 1960-04-05
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Granted: 1961-04-25
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Lewis F Ginnette
- 👤 Robert P Graham
- 👤 Arthur I Morgan Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:34
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/90; A23B2/96; A23B7/00; A23B7/02; A23B7/021; A23C; A23C1/00; A23C1/10; A23C19/00; A23C19/06; A23C19/086; A23C9/00; A23C9/12; A23C9/123; A23C9/1232; A23F; A23F5/00; A23F5/24; A23F5/28; A23F5/285; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/10; A23L2/105; F; F26; F26B; F26B15/00; F26B15/10; F26B15/20; F26B15/205; F26B17/00; F26B17/02; F26B17/023; F26B17/04; F26B3/00; F26B3/02; F26B3/06; Y; Y10; Y10S; Y10S159/00; Y10S159/15; Y10S159/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A METHOD OF DEHYDRATING A FOAM WHICH COMPRISES APPLYING A MAT OF FOAM ONTO A PERFORATED SURFACE, FORCING A GAS THROUGH THE PERFORATIONS IN SAID SURFACE AT A VELOCITY SUFFICIENT TO CAUSE THE PORTIONS OF THE MAT IN AND OVERLYING THE PERFORATIONS TO BE DISPLACED, PRODUCING A PERFORATED MAT OF FOAM AND DEHYDRATING THE SAID PERFORATED MAT OF FOAM.
Claim 2
Independent Claim
59 words
A METHOD OF DEHYDRATING A FOAM WHICH COMPRISES APPLYING A MAT OF FOAM ONTO A PERFORATED SURFACE, FORCING A GAS THROUGH THE PERFORATIONS IN SAID SURFACE AT A VELOCITY SUFFICIENT TO CAUSE THE PORTIONS OF THE MAT IN AND OVERLYING THE PERFORATIONS TO BE DISPLACED, PRODUCING A PERFORATED MAT OF FOAM AND DEHYDRATING THE SAID PERFORATED MAT OF FOAM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |