Patent US3286606A successfully refreshed from Google Patents.
US3286606A
Expired / Lapsed
US
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Heated screed assembly
Assignee: LAYTON Manufacturing CO
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Filing: 1964-08-04
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Granted: 1966-11-22
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Jack D Layton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:53
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4866; E01C19/22; E01C19/42; E01C2301/00; E01C2301/10; E01C2301/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A PAVING MACHINE INCLUDING AN ELONGATED SCREED PLATE FOR LEVELING AND SMOOTHING PAVING MATERIAL, UPSTANDING WALLS EXTENDING LOGITUDINALLY ALONG OPPOSITE SIDES OF THE SCREED PLATE, JOINED THERETO, AND FORMING OPPOSED INTERNAL CORNERS WITH THE TOP AND LONGITUDINAL SIDE MARGINS OF THE SCREED PLATE, AN ELONGATED HEAT-DIFFUSING CONDUIT FOR EACH OF SAID CORNERS, MOUNTED ON THE TOP OF AND EXTENDING ALONG THE LENGTH OF THE SCREED PLATE ADJACENT THE CORNER, PASSAGES IN THE WALL OF EACH SAID HEAT-DIFFUSING CONDUITS, IN SIDE PORTIONS OF THE CIUDUIT, EXTENDING OBLIQUELY RELATIVE TO THE PLANE OF THE TOP OF THE SCREED PLATE, AND ACCOMMODATING THE FLOW OF HOT GASES OUT OF THE CONDUIT, WITH SUCH GASES DIRECTED TOWARD A CORNER, BURNER MEANS REMOTE FROM SAID HEAT-DIFFUSING CONDUITS INCLUDING A MIXER HOUSING FOR PRODUCING MIXTURE OF COMBUSTIBLE GASES, AND A TRANSFER DUCT CONNECTING SAID BURNER MEANS AND HEATDIFFUSING CONDUITS.
Claim 2
Dependent Claim
144 words
IN A PAVING MACHINE INCLUDING AN ELONGATED SCREED PLATE FOR LEVELING AND SMOOTHING PAVING MATERIAL, UPSTANDING WALLS EXTENDING LOGITUDINALLY ALONG OPPOSITE SIDES OF THE SCREED PLATE, JOINED THERETO, AND FORMING OPPOSED INTERNAL CORNERS WITH THE TOP AND LONGITUDINAL SIDE MARGINS OF THE SCREED PLATE, AN ELONGATED HEAT-DIFFUSING CONDUIT FOR EACH OF SAID CORNERS, MOUNTED ON THE TOP OF AND EXTENDING ALONG THE LENGTH OF THE SCREED PLATE ADJACENT THE CORNER, PASSAGES IN THE WALL OF EACH SAID HEAT-DIFFUSING CONDUITS, IN SIDE PORTIONS OF THE CIUDUIT, EXTENDING OBLIQUELY RELATIVE TO THE PLANE OF THE TOP OF THE SCREED PLATE, AND ACCOMMODATING THE FLOW OF HOT GASES OUT OF THE CONDUIT, WITH SUCH GASES DIRECTED TOWARD A CORNER, BURNER MEANS REMOTE FROM SAID HEAT-DIFFUSING CONDUITS INCLUDING A MIXER HOUSING FOR PRODUCING MIXTURE OF COMBUSTIBLE GASES, AND A TRANSFER DUCT CONNECTING SAID BURNER MEANS AND HEATDIFFUSING CONDUITS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |