US3233375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertically swinging extensible crane
Assignee: Richier SA
•
Filing: 1962-02-13
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Granted: 1966-02-08
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Expires: 1982-02-13
Abstract
No abstract record available.
Inventors
- 👤 Durand Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:07
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/26; B66C23/28; B66C23/283; B66C23/34; B66C23/342
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A VERTICALLY SWINGING EXTENSIBLE CRANE COMPRISING A SUPPORT, INNER AND OUTER TELESCOPING CRANE SECTIONS, MEANS MOUNTING ONE OF SAID SECTIONS FOR VERTICAL SWINGING MOVEMENT ON SAID SUPPORT ABOUT A HORIZONTAL AXIS, SAID SUPPORT HAVING A PORTION THAT EXTENDS ABOVE AND TO THE REAR OF SAID AXIS, MEANS FOR EXTENDING THE RETRACTING THE SECTIONS RELATIVE TO EACH OTHER, AND MEANS RESPONSIVE TO EXTENSION AND RETRACTION OF THE CRANE RESPECTIVELY TO RAISE AND LOWER THE CRANE, THE LAST-NAMED MEANS COMPRISING LINK MEANS PIVOTALLY INTERCONNECTING THE OUTER END OF THE OTHER SAID SECTION AND SAID PORTION OF SAID SUPPORT AT A POINT ABOVE AND TO THE REAR OF SAID AXIS.
Claim 2
Dependent Claim
107 words
A VERTICALLY SWINGING EXTENSIBLE CRANE COMPRISING A SUPPORT, INNER AND OUTER TELESCOPING CRANE SECTIONS, MEANS MOUNTING ONE OF SAID SECTIONS FOR VERTICAL SWINGING MOVEMENT ON SAID SUPPORT ABOUT A HORIZONTAL AXIS, SAID SUPPORT HAVING A PORTION THAT EXTENDS ABOVE AND TO THE REAR OF SAID AXIS, MEANS FOR EXTENDING THE RETRACTING THE SECTIONS RELATIVE TO EACH OTHER, AND MEANS RESPONSIVE TO EXTENSION AND RETRACTION OF THE CRANE RESPECTIVELY TO RAISE AND LOWER THE CRANE, THE LAST-NAMED MEANS COMPRISING LINK MEANS PIVOTALLY INTERCONNECTING THE OUTER END OF THE OTHER SAID SECTION AND SAID PORTION OF SAID SUPPORT AT A POINT ABOVE AND TO THE REAR OF SAID AXIS.
References Cited (Backward Citations)
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |