US3221772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated conduit boom assembly
Assignee: MISSISSIPPI VALLEY STRUCTURAL STEEL CO
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Filing: 1963-03-11
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Granted: 1965-12-07
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 John C Arntzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:00
CPC Classifications
B; B67; B67D; B67D9/00; B67D9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/8807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A CONDUIT BOOM CONSTRUCTION, A SWIEVEL YOKE STRUCTURE COMPRISING A TUBULAR GOOSENECK PORTION HAVING A TERMINAL ADAPTED FOR CONNECTION TO A SWIVEL COUPLING, SAID GOOSENECK PORTION HAVING AN OUTER ELBOW SIDE AND AN INNER HOOK SIDE, A BRACKET MOUNTED ON SAID HOLLOW SIDE OF THE GOOSENECK PORTION AND HAVING JOURNAL MEANS ON AN AXIS ALIGNED WITH SAID TERMINAL PORTION, RIGID EQUALIZER FRAME MEANS CARRIED BY THE GOOSENECK PORTION ON SAID HOOK SIDE AND COMPRISING A RIGID FRAME BAR EXTENDING PARALLEL TO SAID AXIS AND A DIAGONALLY EXTENDING RIGID FRAME BAR JOINING THE END OF SAID PARALLEL BAR REMOTE FROM THE GOOSENECK PORTION, AND JOURNAL MEANS MOUNTED ADJACENT JUNCTURE OF SAID BARS AND DISPOSED ON SAID AXIS AND ADAPTED FOR PIVOTAL CONNECTION WITH THE JOURNAL MEANS OF A GOOSENECKCARRIED BRACKET OF A LIKE GOOSENECK PORTION.
Claim 2
Dependent Claim
135 words
IN A CONDUIT BOOM CONSTRUCTION, A SWIEVEL YOKE STRUCTURE COMPRISING A TUBULAR GOOSENECK PORTION HAVING A TERMINAL ADAPTED FOR CONNECTION TO A SWIVEL COUPLING, SAID GOOSENECK PORTION HAVING AN OUTER ELBOW SIDE AND AN INNER HOOK SIDE, A BRACKET MOUNTED ON SAID HOLLOW SIDE OF THE GOOSENECK PORTION AND HAVING JOURNAL MEANS ON AN AXIS ALIGNED WITH SAID TERMINAL PORTION, RIGID EQUALIZER FRAME MEANS CARRIED BY THE GOOSENECK PORTION ON SAID HOOK SIDE AND COMPRISING A RIGID FRAME BAR EXTENDING PARALLEL TO SAID AXIS AND A DIAGONALLY EXTENDING RIGID FRAME BAR JOINING THE END OF SAID PARALLEL BAR REMOTE FROM THE GOOSENECK PORTION, AND JOURNAL MEANS MOUNTED ADJACENT JUNCTURE OF SAID BARS AND DISPOSED ON SAID AXIS AND ADAPTED FOR PIVOTAL CONNECTION WITH THE JOURNAL MEANS OF A GOOSENECKCARRIED BRACKET OF A LIKE GOOSENECK PORTION.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |