Patent US3313674A successfully refreshed from Google Patents.
US3313674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminate panel
Assignee: Foam Products Corp
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Filing: 1962-10-02
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Granted: 1967-04-11
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Howard G Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:07
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/20; E04C2/22; B; B29; B29C; B29C70/00; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31529; Y10T442/00; Y10T442/20; Y10T442/273; Y10T442/2926; Y10T442/2951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A LAMINATE STRUCTURAL PANEL HAVING HIGH ABRASIONRESISTANT CHARACTERISTICS, COMPRISING A BASE PORTION OF EPOXY RESIN, A WIRE CLOTH SECURED WITHIN SAID BASE PORTION ADJACENT TO AND SPACED FROM ONE OUTER SIDE THEREOF, A CLOTH SECURED WITHIN SAID BASE PORTION ADJACENT TO AND SPACED FROM THE OTHER SIDE THEREOF, SAID LAST-NAMED CLOTH BEING EFFECTIVE TO HOLD SAID EPOXY RESIN EVENLY DISTRIBUTED ACROSS THE WIDTH AND LENGTH OF SAID PANEL, SAID BASE PORTION AT SAID OTHER SIDE HAVING PROJECTING RIBS, AND FIBRE-GLASS RODS EMBEDDED IN SAID RIBS, SAID RIBS HAVING OPPOSITE ENDS THEREOF TERMINATING ADJACENT RESPECTIVE ENDS OF SAID PANEL, SAID LAST-NAMED CLOTH EXTENDING THROUGH SAID RIBS AND FORMING PORTIONS THEREOF.
Claim 2
Dependent Claim
109 words
A LAMINATE STRUCTURAL PANEL HAVING HIGH ABRASIONRESISTANT CHARACTERISTICS, COMPRISING A BASE PORTION OF EPOXY RESIN, A WIRE CLOTH SECURED WITHIN SAID BASE PORTION ADJACENT TO AND SPACED FROM ONE OUTER SIDE THEREOF, A CLOTH SECURED WITHIN SAID BASE PORTION ADJACENT TO AND SPACED FROM THE OTHER SIDE THEREOF, SAID LAST-NAMED CLOTH BEING EFFECTIVE TO HOLD SAID EPOXY RESIN EVENLY DISTRIBUTED ACROSS THE WIDTH AND LENGTH OF SAID PANEL, SAID BASE PORTION AT SAID OTHER SIDE HAVING PROJECTING RIBS, AND FIBRE-GLASS RODS EMBEDDED IN SAID RIBS, SAID RIBS HAVING OPPOSITE ENDS THEREOF TERMINATING ADJACENT RESPECTIVE ENDS OF SAID PANEL, SAID LAST-NAMED CLOTH EXTENDING THROUGH SAID RIBS AND FORMING PORTIONS THEREOF.
References Cited (Backward Citations)
US2459765A
Cited
US2545981A
Cited
US2500598A
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US2688580A
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US2850890A
Cited
US2921463A
Cited
US2791463A
Cited
US2871056A
Cited
US2830925A
Cited
US2836529A
Cited
US2758952A
Cited
US2962323A
Cited
US2951001A
Cited
US3000144A
Cited
US3001333A
Cited
US3077424A
Cited
US2943953A
Cited
US3007205A
Cited
US3030255A
Cited
US3072973A
Cited
US3163434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |