Patent US3047356A successfully refreshed from Google Patents.
US3047356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethanes
Assignee: Globe Manufacturing Co
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Filing: 1960-08-05
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Granted: 1962-07-31
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Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Polansky Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:55
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/70; Y; Y10; Y10S; Y10S264/00; Y10S264/77; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PROCESS COMPRISING SPINNING A CURABLE POLYURETHANE FROM THE STATE OF INCIPIENT GELATION IN A SOLVENT INTO A LIQUID IN WHICH THE POLYMER IS INSOLUBLE AND THE SOLVENT IS SOLUBLE TO FORM A POLYURETHANE FILAMENT AND ADDING A CURING AGENT TO SAID FILAMENT AND THEN COMPLETING THE CURE.
Claim 2
Dependent Claim
48 words
A PROCESS COMPRISING SPINNING A CURABLE POLYURETHANE FROM THE STATE OF INCIPIENT GELATION IN A SOLVENT INTO A LIQUID IN WHICH THE POLYMER IS INSOLUBLE AND THE SOLVENT IS SOLUBLE TO FORM A POLYURETHANE FILAMENT AND ADDING A CURING AGENT TO SAID FILAMENT AND THEN COMPLETING THE CURE.
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |