US3266774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting mechanism
Assignee: Doosan Bobcat North America Inc
•
Filing: 1964-08-03
•
Granted: 1966-08-16
•
Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Wynand M J M Goyarts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:46
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A LIFTING MECHANISM COMPRISING A SUPPORT, AN EXTENSIBLE FLUID MOTOR PIVOTALLY CONNECTED TO THE SAID SUPPORT, GUID MEANS CONNECTED TO THE SAID SUPPORT, AN XSHAPED LINKAGE INCLUDING FIRST AND SECOND LINKS PIVOTALLY CONNECTED TOGETHER INTERMEDIATE THEIR ENDS, THE SAID FIRST LINK BEING CONNECTED TO THE SAID GUIDE MEANS FOR MOVEMENT THEREALONG AND PIVOTALLY CONNECTED TO THE SAID FLUID
Claim 2
Dependent Claim
58 words
A LIFTING MECHANISM COMPRISING A SUPPORT, AN EXTENSIBLE FLUID MOTOR PIVOTALLY CONNECTED TO THE SAID SUPPORT, GUID MEANS CONNECTED TO THE SAID SUPPORT, AN XSHAPED LINKAGE INCLUDING FIRST AND SECOND LINKS PIVOTALLY CONNECTED TOGETHER INTERMEDIATE THEIR ENDS, THE SAID FIRST LINK BEING CONNECTED TO THE SAID GUIDE MEANS FOR MOVEMENT THEREALONG AND PIVOTALLY CONNECTED TO THE SAID FLUID
References Cited (Backward Citations)
US2471901A
Cited
US2501001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |