US2875117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multilaminar panel
Assignee: Haskelite Manufacturing Corp
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Filing: 1955-08-29
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Granted: 1959-02-24
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Potchen
- 👤 George E Kloote
- 👤 George D Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C70/00; B29C70/003; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/24; E04C2/243; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10S; Y10S273/00; Y10S273/02; Y10S273/07; Y10T; Y10T428/00; Y10T428/22; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249987; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/335; Y10T442/3358
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
THE METHOD FOR FORMING A MULTILAMINAR PANEL, WHICH COMPRISES THE STEPS OF PROVIDING A LIGHTWEIGHT CORE OF A FOAMED POLYSTYRENE TYPE RESIN, PROVIDING A FACING SHEET COMPRISING A SHEET OF A THERMOSET POLYESTER RESIN REINFORCED WITH GLASS FILAMENTS, INTERPOSING BETWEEN THE FACING SHEET AND THE LIGHTWEIGHT CORE A SHEET OF RIGID COMPRESSION-RESISTANT MATERIAL OTHER THAN THE MATERIAL FORMING SAID FACING SHEET, INTERPOSING A THIN LAYER OF A SUITABLE ADHESIVE BETWEEN THE FACING SHEET AND THE COMPRESSIONRESISTANT SHEET AND BETWEEN THE COMPRESSION-RESISTANT SHEET AND THE LIGHTWEIGHT CORE, AND CAUSING THE ADHESIVE TO SET AND BOND THE COMPRESSION-RESISTANT SHEET SECURELY TO THE FACING SHEET AND TO THE CORE TO FORM A UNITARY MULTILAMINAR ARTICLE.
References Cited (Backward Citations)
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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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |