US2517698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of polymerizing fiber reinforced resinous materials
Assignee: MARCO CHEMICALS Inc
•
Filing: 1945-03-05
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Granted: 1950-08-08
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Expires: 1965-03-05
Abstract
No abstract record available.
Inventors
- 👤 Irving E Muskat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
D; D06; D06M; D06M17/00; D06M23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD WHICH COMPRISES IMPREGNATING A FIBROUS BASE WITH A POLYMERIZABLE LIQUID COMPRISING AN OXYGEN-CONVERTIBLE COMPOUND HAVING AT LEAST TWO UNSATURATED, UNCONJUGATED POLYMERIZABLE GROUPS, CAPABLE OF CURING TO A RIGID SOLID RESINOUS STATE, PLACING THE BASE BETWEEN A PAIR OF SHEETS, AT LEAST ONE OF WHICH IS FLEXIBLE AND SUBSTANTIALLY NONPOROUS AND IS CAPABLE OF SHRINKING UPON HEATING, PRESSING THE COVER SHEETS INTO CLOSE CONTACT WITH THE FIBROUS BASE BY APPLICATION OF PRESSURE OF MAGNITUDE SUFFICIENT TO SQUEEZE THE BASE AND TO EXPEL LATERALLY OF THE COVER SHEETS
Claim 2
Independent Claim
88 words
A METHOD WHICH COMPRISES IMPREGNATING A FIBROUS BASE WITH A POLYMERIZABLE LIQUID COMPRISING AN OXYGEN-CONVERTIBLE COMPOUND HAVING AT LEAST TWO UNSATURATED, UNCONJUGATED POLYMERIZABLE GROUPS, CAPABLE OF CURING TO A RIGID SOLID RESINOUS STATE, PLACING THE BASE BETWEEN A PAIR OF SHEETS, AT LEAST ONE OF WHICH IS FLEXIBLE AND SUBSTANTIALLY NONPOROUS AND IS CAPABLE OF SHRINKING UPON HEATING, PRESSING THE COVER SHEETS INTO CLOSE CONTACT WITH THE FIBROUS BASE BY APPLICATION OF PRESSURE OF MAGNITUDE SUFFICIENT TO SQUEEZE THE BASE AND TO EXPEL LATERALLY OF THE COVER SHEETS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |