Patent US3071180A successfully refreshed from Google Patents.
US3071180A
Expired / Lapsed
US
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Apparatus for continuously producing reinforced plastic structural panels
Assignee: Johns Manville Fiber Glass Inc
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Filing: 1953-11-23
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Granted: 1963-01-01
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Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Finger
- 👤 Fenton H Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:02
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T156/1028; Y10T156/103; Y10T156/1039; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/133; Y10T156/17; Y10T156/1702; Y10T156/1744
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN APPARATUS FOR CONTINUOUSLY PRODUCING A PLASTIC PRODUCT OF PREDETERMINED CROSS-SECTION COMPRISING, AN ENDLESS BELT CONVEYOR FOR CARRYING LIQUID PLASTIC ARRANGED UPON A FLEXIBLE BASE, CHANNEL MEANS ON SAID CONVEYOR FOR PREVENTING LATERAL FLOW OF LIQUID PLASTIC, FIBER DEPOSITING MEANS DISPOSED ABOVE SAID CONVEYOR FOR DEPOSITING REINFORCING FIBERS ON THE LIQUID PLASTIC, HEATING MEANS LOCATED BETWEEN OPPOSITE ENDS OF SAID CONVEYOR FOR PARTIALLY HARDENING THE LIQUID PLASTIC, FORMING MEANS OF PREDETERMINED CROSS-SECTION SPACED FROM SAID HEATING MEANS, MEANS FOR MOVING THE PARTIALLY HARDENED PLASTIC THROUGH THE FORMING MEANS, AND ADDITIONAL HEATING MEANS ASSOCIATED WITH THE FORMING MEANS TO ADVANCE THE HARDENING OF THE PARTIALLY HARDENED PLASTIC WHILE SAID PLASTIC IS BEING MOVED THROUGH SAID FORMING MEANS.
Claim 2
Independent Claim
116 words
AN APPARATUS FOR CONTINUOUSLY PRODUCING A PLASTIC PRODUCT OF PREDETERMINED CROSS-SECTION COMPRISING, AN ENDLESS BELT CONVEYOR FOR CARRYING LIQUID PLASTIC ARRANGED UPON A FLEXIBLE BASE, CHANNEL MEANS ON SAID CONVEYOR FOR PREVENTING LATERAL FLOW OF LIQUID PLASTIC, FIBER DEPOSITING MEANS DISPOSED ABOVE SAID CONVEYOR FOR DEPOSITING REINFORCING FIBERS ON THE LIQUID PLASTIC, HEATING MEANS LOCATED BETWEEN OPPOSITE ENDS OF SAID CONVEYOR FOR PARTIALLY HARDENING THE LIQUID PLASTIC, FORMING MEANS OF PREDETERMINED CROSS-SECTION SPACED FROM SAID HEATING MEANS, MEANS FOR MOVING THE PARTIALLY HARDENED PLASTIC THROUGH THE FORMING MEANS, AND ADDITIONAL HEATING MEANS ASSOCIATED WITH THE FORMING MEANS TO ADVANCE THE HARDENING OF THE PARTIALLY HARDENED PLASTIC WHILE SAID PLASTIC IS BEING MOVED THROUGH SAID FORMING MEANS.
References Cited (Backward Citations)
US622038A
Cited
US775541A
Cited
US762033A
Cited
US793316A
Cited
US2500728A
Cited
US2631955A
Cited
US2496911A
Cited
US2526945A
Cited
US2571335A
Cited
US2671745A
Cited
US2547880A
Cited
US2653355A
Cited
US2784763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |