US2804438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous glass reinforced resinous molding compound
Assignee: OWENS CURNING FLBERGLAS CORP
•
Filing: 1952-10-14
•
Granted: 1957-08-27
•
Expires: 1972-10-14
Abstract
No abstract record available.
Inventors
- 👤 Lawrence P Biefeld
- 👤 Richard F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:31
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A COMPOSITION FOR MOLDING TO A SET STAGE COMPRISING A THERMOSETTING LIQUID LOW PRESSURE LAMINATING RESIN IN AN UNCURED STATE, GLASS FIBERS INCORPORATED IN THE RESINOUS MATERIAL IN AN AMOUNT RANGING FROM 1 TO 25 PERCENT BY VOLUME OF THE PRODUCT TO BE MOLDED AND CALCIUM CARBONATE IN FINELY-DIVIDED FROM COMBINED WITH THE RESINOUS MATERIAL AS A DILUENT IN AMOUNTS IN EXCESS OF 50 PERCENT BY WEIGHT BUT LESS THAN 75 PERCENT BY WEIGHT OF THE TOTAL OF THE RESIN AND DILUENT.
Claim 2
Dependent Claim
82 words
A COMPOSITION FOR MOLDING TO A SET STAGE COMPRISING A THERMOSETTING LIQUID LOW PRESSURE LAMINATING RESIN IN AN UNCURED STATE, GLASS FIBERS INCORPORATED IN THE RESINOUS MATERIAL IN AN AMOUNT RANGING FROM 1 TO 25 PERCENT BY VOLUME OF THE PRODUCT TO BE MOLDED AND CALCIUM CARBONATE IN FINELY-DIVIDED FROM COMBINED WITH THE RESINOUS MATERIAL AS A DILUENT IN AMOUNTS IN EXCESS OF 50 PERCENT BY WEIGHT BUT LESS THAN 75 PERCENT BY WEIGHT OF THE TOTAL OF THE RESIN AND DILUENT.
References Cited (Backward Citations)
US2255313A
Cited
US2467526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |