US2830925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber laminates and process of manufacture
Assignee: Celanese Corp
•
Filing: 1954-02-24
•
Granted: 1958-04-15
•
Expires: 1974-02-24
Abstract
No abstract record available.
Inventors
- 👤 John D Fennebresque
- 👤 Irving E Muskat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:58
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162; Y10T442/00; Y10T442/20; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
PROCESS FOR THE PRODUCTION OF LAMINATED ARTICLES WHICH COMPRISES FORMING A LOOSE ASSEMBLY COMPRISING A MAT OF COLORLESS GLASS FIBERS AND A MAT OF FIBERS OF PIFMENTCONTAINING ORGANIC THERMOSPLASTIC MATERIAL OF THE SURFACE THEREOF, IMPREGNATING SAID ASSEMBLY WITH A CLEAR LIQUID POLYMERIZABLE UNSATURATED POLYESTER RESIN, AND POLYMERIZING SAID RESIN TO FORM A SHAPED ARTICLE.
References Cited (Backward Citations)
US2388184A
Cited
US2483404A
Cited
US2433727A
Cited
US2489985A
Cited
US2534617A
Cited
US2689199A
Cited
US2688580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |