US2613189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular material and blowing agent therefor
Assignee: Goodrich Corp
•
Filing: 1950-09-02
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Granted: 1952-10-07
•
Expires: 1970-09-02
Abstract
No abstract record available.
Inventors
- 👤 Donald V Sarbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:43
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; Y; Y10; Y10S; Y10S521/00; Y10S521/909; Y10S521/91
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
48 words
A COMPOSITION CAPABLE OF BEING BLOWN TO CELLULAR FORM COMPRISING A HEAT-SOFTENING BINDING MATERIAL HAVING DISPERSED THEREIN A MIXTURE IN FINELY-DIVIDED FORM, OF SODIUM BICARBONATE WITH FROM 2 TO 30%, BY WEIGHT OF THE MIXTURE, OF AN AMIDE SELECTED FROM THE CLASS CONSISTING OF CYANAMIDE, DICYANDIAMIDE, AND MELAMINE.
References Cited (Backward Citations)
US2341180A
Cited
US2544483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |