US3056168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding polyether urethane foam articles
Assignee: Stubnitz Greene Corp
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Filing: 1959-03-31
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Granted: 1962-10-02
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Terry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/362; B29C44/02; B29C44/025; B29C44/10; B29K; B29K2075/00; Y; Y10; Y10S; Y10S264/00; Y10S264/04; Y10S264/13; Y10S297/00; Y10S297/01; Y10S425/00; Y10S425/058; Y10S521/00; Y10S521/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METHOD OF MOLDING POLYETHER URETHANE FOAM ARTICLES IN A RECESSED CAVITY MOLD COMPRISING DISTRIBUTING AN AMOUNT OF ACTIVATED POLYETHER URETHANE MIXTURE WITHIN THE MOLD CAVITY SUFFICIENT TO SLIGHTLY OVERFILL THE MOLD CAVITY UPON COMPLETION OF FOAMING, PERMITTING SAID MIXTURE TO COMPLETE THE FOAMING, AND SLIGHTLY COMPRESSING
Claim 2
Independent Claim
47 words
A METHOD OF MOLDING POLYETHER URETHANE FOAM ARTICLES IN A RECESSED CAVITY MOLD COMPRISING DISTRIBUTING AN AMOUNT OF ACTIVATED POLYETHER URETHANE MIXTURE WITHIN THE MOLD CAVITY SUFFICIENT TO SLIGHTLY OVERFILL THE MOLD CAVITY UPON COMPLETION OF FOAMING, PERMITTING SAID MIXTURE TO COMPLETE THE FOAMING, AND SLIGHTLY COMPRESSING
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) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |