US3167194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled excavating machine
Assignee: Individual
•
Filing: 1962-12-24
•
Granted: 1965-01-26
•
Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 Charles J Davis
- 👤 Roland N Nissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:23
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/36; E02F3/38; E02F3/382; E02F3/384; E02F9/00; E02F9/02; E02F9/028; E02F9/08; E02F9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN EXCAVATOR COMPRISING: A SELF-PROPELLED GROUND SUPPORTED CHASSIS INCLUDING A RIGID WEIGHT SUPPORTING FRAME; AN INTERMEDIATE BODY SUPPORTING FRAME; MEANS PIVOTALLY MOUNTING SAID INTERMEDIATE FRAME ON SAID CHASSIS FOR LATERAL TILTING MOVEMENT WITH RESPECT THERETO ABOUT A CENTRAL FORE AND AFT HORIZONTAL AXIS; A BODY; MEANS PIVOTALLY MOUNTING THE BODY ON SAID INTERMEDIATE FRAME FOR SWINGING MOVEMENT ABOUT AN AXIS NORMAL TO THE PIVOT AXIS OF THE INTERMEDIATE FRAME; AND A WORK PERFORMING ASSEMBLY INCLUDING AN ELONGATED BOOM MOUNTED ON ONE END OF THE BODY FOR INDEPENDENT SWINGING MOVEMENT ABOUT AN AXIS SPACED FROM AND PARALLEL TO THE BODY SWINGING AXIS.
Claim 2
Dependent Claim
101 words
AN EXCAVATOR COMPRISING: A SELF-PROPELLED GROUND SUPPORTED CHASSIS INCLUDING A RIGID WEIGHT SUPPORTING FRAME; AN INTERMEDIATE BODY SUPPORTING FRAME; MEANS PIVOTALLY MOUNTING SAID INTERMEDIATE FRAME ON SAID CHASSIS FOR LATERAL TILTING MOVEMENT WITH RESPECT THERETO ABOUT A CENTRAL FORE AND AFT HORIZONTAL AXIS; A BODY; MEANS PIVOTALLY MOUNTING THE BODY ON SAID INTERMEDIATE FRAME FOR SWINGING MOVEMENT ABOUT AN AXIS NORMAL TO THE PIVOT AXIS OF THE INTERMEDIATE FRAME; AND A WORK PERFORMING ASSEMBLY INCLUDING AN ELONGATED BOOM MOUNTED ON ONE END OF THE BODY FOR INDEPENDENT SWINGING MOVEMENT ABOUT AN AXIS SPACED FROM AND PARALLEL TO THE BODY SWINGING AXIS.
References Cited (Backward Citations)
US824283A
Cited
US1528222A
Cited
US1861194A
Cited
US2121189A
Cited
US2847134A
Cited
US2897986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |