Patent US3354801A successfully refreshed from Google Patents.
US3354801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highway slipform
Assignee: Individual
•
Filing: 1965-06-17
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Granted: 1967-11-28
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Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:55
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4866; E01C19/4873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A SLIPFORM OF THE TYPE ADAPTED TO POUR A LINING OF CEMENTITIOUS MATERIAL OVER A SURFACE TRAVERSED THEREBY DURING FORWARD MOVEMENT OF THE SLIP FORM; A MOBILE FRAMEWORK; FIRST TRANSVERSE METERING MEANS EXTENDING ACROSS SAID FRAMEWORK (AT LEAST A PORTION OF) THE LOWER SURFACE OF SAID FIRST METERING MEANS BEING MOUNTED ON SAID FRAMEWORK FOR ELEVATIONAL MOTION RELATIVE TO SAID FRAMEWORK, SAID LOWER SURFACE BEING SPACED ABOVE THE SURFACE TO BE LINED; SECOND METERING MEANS EXTENDING ACROSS SAID FRAMEWORK, SAID SECOND METERING MEANS BEING MOUNTED ON SAID FRAMEWORK REARWARDLY OF SAID FIRST METERING MEANS (AT LEAST A PORTION OF ) THE LOWER SURFACE OF SAID SECOND METERING MEANS BEING MOUNTED ON SAID FRAMEWORK FOR ELEVATIONAL MOTION RELATIVE TO SAID FRAMEWORK, SAID LOWER SURFACE OF SAID SECOND METERING MEANS BEING SPACED ABOVE THE SURFACE TO BE LINED AT A HEIGHT SUFFICIENTLY EQUAL TO THE SPACING OF SAID LOWER SURFACE OF SAID FIRST METERING MEANS;
Claim 2
Dependent Claim
154 words
IN A SLIPFORM OF THE TYPE ADAPTED TO POUR A LINING OF CEMENTITIOUS MATERIAL OVER A SURFACE TRAVERSED THEREBY DURING FORWARD MOVEMENT OF THE SLIP FORM; A MOBILE FRAMEWORK; FIRST TRANSVERSE METERING MEANS EXTENDING ACROSS SAID FRAMEWORK (AT LEAST A PORTION OF) THE LOWER SURFACE OF SAID FIRST METERING MEANS BEING MOUNTED ON SAID FRAMEWORK FOR ELEVATIONAL MOTION RELATIVE TO SAID FRAMEWORK, SAID LOWER SURFACE BEING SPACED ABOVE THE SURFACE TO BE LINED; SECOND METERING MEANS EXTENDING ACROSS SAID FRAMEWORK, SAID SECOND METERING MEANS BEING MOUNTED ON SAID FRAMEWORK REARWARDLY OF SAID FIRST METERING MEANS (AT LEAST A PORTION OF ) THE LOWER SURFACE OF SAID SECOND METERING MEANS BEING MOUNTED ON SAID FRAMEWORK FOR ELEVATIONAL MOTION RELATIVE TO SAID FRAMEWORK, SAID LOWER SURFACE OF SAID SECOND METERING MEANS BEING SPACED ABOVE THE SURFACE TO BE LINED AT A HEIGHT SUFFICIENTLY EQUAL TO THE SPACING OF SAID LOWER SURFACE OF SAID FIRST METERING MEANS;
References Cited (Backward Citations)
US2046417A
Cited
US2201493A
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US2403820A
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US2597221A
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US2590443A
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US2911892A
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US2976784A
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |