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US2670299A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing a cellular material

Assignee: Individual
•
Filing: 1950-07-28
•
Granted: 1954-02-23
•
Expires: 1970-07-28
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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 19:11
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)

US208302A Cited
US212860A Cited
US1289049A Cited
US1453468A Cited
US1741574A Cited
US2485724A Cited

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

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