Patent US2670299A successfully refreshed from Google Patents.
US2670299A
Expired / Lapsed
US
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Method of manufacturing a cellular material
Assignee: Individual
•
Filing: 1950-07-28
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Granted: 1954-02-23
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Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Frokjaer-Jensen Axel
- 👤 Andreasen Alfred Herman Munch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:27
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/02; C04B20/04; C04B20/06; C04B20/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR THE MANUFACTURE OF A PRODUCT HAVING A CELLULAR STRUCTURE, SAID PROCESS CONSISTING ESSENTIALLY OF UNIFORMLY DISTRIBUTING IN AN ARGILLACEOUS MATERIAL 1/4 OF 1% TO ABOUT 4%, BY WEIGHT ON A DRY BASIS, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF MOLASSES AND MOLASSES RESIDUE, UNIFORMLY BAKING THE RESULTING MIXTURE AT THE SOFTENING TEMPERATURE OF THE MATERIAL, WHEREBY THE MATERIAL SOFTENS AND GAS IS PRODUCED IN THE MATERIAL CAUSING IT TO BLOAT UNDER FORMATION OF A CELLULAR STRUCTURE, AND THEN COOLING THE RESULTING BLOATED MATERIAL.
Claim 2
Dependent Claim
88 words
A PROCESS FOR THE MANUFACTURE OF A PRODUCT HAVING A CELLULAR STRUCTURE, SAID PROCESS CONSISTING ESSENTIALLY OF UNIFORMLY DISTRIBUTING IN AN ARGILLACEOUS MATERIAL 1/4 OF 1% TO ABOUT 4%, BY WEIGHT ON A DRY BASIS, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF MOLASSES AND MOLASSES RESIDUE, UNIFORMLY BAKING THE RESULTING MIXTURE AT THE SOFTENING TEMPERATURE OF THE MATERIAL, WHEREBY THE MATERIAL SOFTENS AND GAS IS PRODUCED IN THE MATERIAL CAUSING IT TO BLOAT UNDER FORMATION OF A CELLULAR STRUCTURE, AND THEN COOLING THE RESULTING BLOATED MATERIAL.
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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |