Patent US3999555A successfully refreshed from Google Patents.
US3249026A
Expired / Lapsed
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Construction machines
Assignee: GURRIES Manufacturing CO
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Filing: 1962-07-03
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Granted: 1966-05-03
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Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 Curlett John
- 👤 Raymond A Gurries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:47
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/20; E02F9/2025; E02F9/205; B; B62; B62D; B62D55/00; B62D55/08; B62D55/084; B62D55/0842; B62D55/104; B62D55/116; E01; E01C; E01C19/00; E01C19/004; E01C19/008; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A CONSTRUCTION MACHINE COMPRISING: A MAIN FRAME; AT LEAST ONE WORKING TOOL CARRIED BY SAID MAIN FRAME FOR GROUND ENGAGEMENT; A PAIR OF GROUND ENGAGEMENT MEANS DISPOSED ON OPPOSITE SIDES OF SAID MAIN FRAME, EACH ENGAGING THE GROUND AT POSITIONS SPACED IN THE DIRECTION OF TRAVEL; A PAIR OF MAIN FRAME SUPPORT MEANS CONNECTING OPPOSITE SIDES OF SAID MAIN FRAME TO RESPECTIVE GROUND ENGAGEMENT MEANS ADJUSTABLY SUPPORTING SAID MAIN FRAME THEREON, ONE OF SAID MAIN FRAME SUPPORT MEANS INCLUDING TWO FLUID PRESSURE OPERATED RAMS CONNECTED TO SAID FRAME AT SPACED POINTS AND THE OTHER OF SAID MAIN FRAME SUPPORT MEANS INCLUDING ONE FLUID PRESSURE OPERATED RAM PIVOTALLY JOINED TO ONE OF SAID GROUND ENGAGEMENT MEANS SUBSTANTIALLY CENTRALLY THEREOF RELATIVE TO ITS DIRECTION OF TRAVEL; A FLUID PRESSURE AND RETURN SYSTEM CONNECTED TO SAID RAMS; AND NORMALLY CLOSED VALVES DISPOSED BETWEEN SAID SYSTEM AND EACH OF SAID RAMS AND CARRIED BY SAID MAIN FRAME; EACH VALVE INCLUDING A VALVE ACTUATING MEANS DISPOSED AND FORMED FOR ENGAGEMENT WITH A LEVEL CONTROL MEANS DISPOSED ALONG AND OUTSIDE OPPOSITE SIDES OF THE PATH OF SAID CONSTRUCTION MACHINE.
Claim 2
Dependent Claim
183 words
A CONSTRUCTION MACHINE COMPRISING: A MAIN FRAME; AT LEAST ONE WORKING TOOL CARRIED BY SAID MAIN FRAME FOR GROUND ENGAGEMENT; A PAIR OF GROUND ENGAGEMENT MEANS DISPOSED ON OPPOSITE SIDES OF SAID MAIN FRAME, EACH ENGAGING THE GROUND AT POSITIONS SPACED IN THE DIRECTION OF TRAVEL; A PAIR OF MAIN FRAME SUPPORT MEANS CONNECTING OPPOSITE SIDES OF SAID MAIN FRAME TO RESPECTIVE GROUND ENGAGEMENT MEANS ADJUSTABLY SUPPORTING SAID MAIN FRAME THEREON, ONE OF SAID MAIN FRAME SUPPORT MEANS INCLUDING TWO FLUID PRESSURE OPERATED RAMS CONNECTED TO SAID FRAME AT SPACED POINTS AND THE OTHER OF SAID MAIN FRAME SUPPORT MEANS INCLUDING ONE FLUID PRESSURE OPERATED RAM PIVOTALLY JOINED TO ONE OF SAID GROUND ENGAGEMENT MEANS SUBSTANTIALLY CENTRALLY THEREOF RELATIVE TO ITS DIRECTION OF TRAVEL; A FLUID PRESSURE AND RETURN SYSTEM CONNECTED TO SAID RAMS; AND NORMALLY CLOSED VALVES DISPOSED BETWEEN SAID SYSTEM AND EACH OF SAID RAMS AND CARRIED BY SAID MAIN FRAME; EACH VALVE INCLUDING A VALVE ACTUATING MEANS DISPOSED AND FORMED FOR ENGAGEMENT WITH A LEVEL CONTROL MEANS DISPOSED ALONG AND OUTSIDE OPPOSITE SIDES OF THE PATH OF SAID CONSTRUCTION MACHINE.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |