Patent US4761594A successfully refreshed from Google Patents.
Patent US3115074A successfully refreshed from Google Patents.
US3115074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sled type stabilizer
Assignee: Power Curbers Inc
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Filing: 1960-11-04
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Granted: 1963-12-24
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Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Roy W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:33
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4886; E01C19/4893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
IN AN APPARATUS FOR FORMING STRIPS OF PAVING MATERIAL SUCH AS CURBS AND THE LIKE ON A SURFACE, SAID APPARATUS HAVING AN ELONGATE FRAME, A HOPPER MOUNTED ON SAID FRAME AND ADAPTED TO RECEIVE PAVING MATERIAL THEREIN, AN ELONGATE MOLD MOUNTED ON SAID FRAME AND HAVING AN OPEN BOTTOM AND AN OPEN REAR END, MEANS FOR MOVING PAVING MATERIAL FROM THE HOPPER INTO THE MOLD AND FOR PACKING THE PAVING MATERIAL INTO THE MOLD TO FORM THE STRIPS OF PAVING MATERIAL AND TO MOVE THE APPARATUS FORWARDLY OVER THE SURFACE DUE TO THE PRESSURE OF THE MATERIAL BEING MOVED INTO THE MOLD ON THE MATERIAL WITHIN THE MOLD; IN COMBINATION THEREWITH, FIRST AND SECOND PAIRS OF SKID MEMBERS MOUNTED ON SAID FRAME FOR CONTACT WITH THE SURFACE TO SUPPORT SAID FRAME ABOVE THE SURFACE, ONE OF SAID PAIRS OF SAID SKID MEMBERS BEING MOUNTED FOR PIVOTAL MOVEMENT ABOUT A VERTICAL AXIS FOR GUIDING THE APPARATUS OVER THE SURFACE, AN ELONGATE STABILIZING MEMBER PIVOTALLY MOUNTED AT ONE END THEREOF ON EACH OF SAID SKID MEMBERS FOR PIVOTAL MOVEMENT ABOUT A HORIZONTAL AXIS TRANSVERSELY OF SAID FRAME, AN ADJUSTABLE SPRING MOUNTED ON EACH OF SAID SKIDS AND ENGAGING THE UPPER SURFACE OF
Claim 2
Dependent Claim
200 words
IN AN APPARATUS FOR FORMING STRIPS OF PAVING MATERIAL SUCH AS CURBS AND THE LIKE ON A SURFACE, SAID APPARATUS HAVING AN ELONGATE FRAME, A HOPPER MOUNTED ON SAID FRAME AND ADAPTED TO RECEIVE PAVING MATERIAL THEREIN, AN ELONGATE MOLD MOUNTED ON SAID FRAME AND HAVING AN OPEN BOTTOM AND AN OPEN REAR END, MEANS FOR MOVING PAVING MATERIAL FROM THE HOPPER INTO THE MOLD AND FOR PACKING THE PAVING MATERIAL INTO THE MOLD TO FORM THE STRIPS OF PAVING MATERIAL AND TO MOVE THE APPARATUS FORWARDLY OVER THE SURFACE DUE TO THE PRESSURE OF THE MATERIAL BEING MOVED INTO THE MOLD ON THE MATERIAL WITHIN THE MOLD; IN COMBINATION THEREWITH, FIRST AND SECOND PAIRS OF SKID MEMBERS MOUNTED ON SAID FRAME FOR CONTACT WITH THE SURFACE TO SUPPORT SAID FRAME ABOVE THE SURFACE, ONE OF SAID PAIRS OF SAID SKID MEMBERS BEING MOUNTED FOR PIVOTAL MOVEMENT ABOUT A VERTICAL AXIS FOR GUIDING THE APPARATUS OVER THE SURFACE, AN ELONGATE STABILIZING MEMBER PIVOTALLY MOUNTED AT ONE END THEREOF ON EACH OF SAID SKID MEMBERS FOR PIVOTAL MOVEMENT ABOUT A HORIZONTAL AXIS TRANSVERSELY OF SAID FRAME, AN ADJUSTABLE SPRING MOUNTED ON EACH OF SAID SKIDS AND ENGAGING THE UPPER SURFACE OF
References Cited (Backward Citations)
US1053876A
Cited
US1468682A
Cited
US1810505A
Cited
US2197878A
Cited
US2331561A
Cited
AT173972B
Cited
US2741487A
Cited
US2707422A
Cited
US2932875A
Cited
US2818790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |