US3194413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extendable boom
Assignee: Individual
•
Filing: 1962-10-08
•
Granted: 1965-07-13
•
Expires: 1982-10-08
Abstract
No abstract record available.
Inventors
- 👤 Louis J Landry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:11
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/72; B66C2700/00; B66C2700/03; B66C2700/0392
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN COMBINATION, A MOUNTING FRAME, AN UPSTANDING BOOM PIVOTALLY SECURED AT ITS LOWER END TO SAID FRAME FOR MOVEMENT ABOUT A HORIZONTAL AXIS, SAID BOOM INCLUDING UPPER INNER AND LOWER OUTER SECTIONS MOUNTED TOGETHER FOR RELATIVE MOVEMENT BETWEEN EXTENDED AND RETRACTED POSITIONS, A GANTRY ASSEMBLY SUPPORTED FROM SAID FRAME AND ELEVATED ABOVE THE LOWER END OF SAID LOWER SECTION, A FIRST CABLE SUPPORTING SAID BOOM AND HAVING ONE END OPERATIVELY CONNECTED TO REVERSIBLE WINDING MEANS CARRIED BY SAID LOWER SECTION AND THE OTHER END CONNECTED TO SAID UPPER SECTION, MEANS REEVING SAID FIRST CABLE BETWEEN SAID WINDING MEANS, SAID GANTRY, AND THE UPPER END OF SAID UPPER SECTION, A SECOND LIFT CABLE HAVING ONE END OPERATIVELY CONNECTED TO SAID WINDING MEANS AND THE OTHER END CONNECTED TO THE LOWER END OF SAID UPPER SECTION, MEANS REEVING SAID SECOND CABLE BE-
Claim 2
Dependent Claim
140 words
IN COMBINATION, A MOUNTING FRAME, AN UPSTANDING BOOM PIVOTALLY SECURED AT ITS LOWER END TO SAID FRAME FOR MOVEMENT ABOUT A HORIZONTAL AXIS, SAID BOOM INCLUDING UPPER INNER AND LOWER OUTER SECTIONS MOUNTED TOGETHER FOR RELATIVE MOVEMENT BETWEEN EXTENDED AND RETRACTED POSITIONS, A GANTRY ASSEMBLY SUPPORTED FROM SAID FRAME AND ELEVATED ABOVE THE LOWER END OF SAID LOWER SECTION, A FIRST CABLE SUPPORTING SAID BOOM AND HAVING ONE END OPERATIVELY CONNECTED TO REVERSIBLE WINDING MEANS CARRIED BY SAID LOWER SECTION AND THE OTHER END CONNECTED TO SAID UPPER SECTION, MEANS REEVING SAID FIRST CABLE BETWEEN SAID WINDING MEANS, SAID GANTRY, AND THE UPPER END OF SAID UPPER SECTION, A SECOND LIFT CABLE HAVING ONE END OPERATIVELY CONNECTED TO SAID WINDING MEANS AND THE OTHER END CONNECTED TO THE LOWER END OF SAID UPPER SECTION, MEANS REEVING SAID SECOND CABLE BE-
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |