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US3224608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth working and materials handling machine
Assignee: Universal Marion Corp
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Filing: 1963-01-15
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Granted: 1965-12-21
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Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Donald E Yadon
- 👤 Paul H Knutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:56
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/3604; E02F3/3609; E02F3/3636; E02F3/283; E02F3/286; E02F3/30; E02F3/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A TELESCOPIC BOOM ASSEMBLY INCLUDING AN OUTER SECTION HAVING REARWARD AND FORWARD ENDS AND AN EXTENSIBLE INNER SECTION TELESCOPICALLY MOVABLE RELATIVE THERETO FOR EXTENSION AND RETRACTION THROUGH THE FORWARD END OF SAID OUTER SECTION, A REMOVABLE ELONGATED CARTRIDGE POSITIONED WITHIN SAID SECTIONS WITH ONE END SECURED TO THE REARWARD END OF SAID OUTER SECTION AGAINST LONGITUDINAL MOVEMENT RELATIVE TO SAID OUTER SECTION AND WITH THE OTHER END FREE WITH RESPECT TO SAID BOOM SECTIONS, SAID CARTRIDGE INLCUDING MEANS FOR CAUSING SAID RELATIVE MOVEMENT OF SAID SECTIONS, A COMBINED TOOL HEAD AND TOOL ACTUATING MEANS CARRIED BY ONE END OF SAID MOVABLE SECTION FOR RELEASABLY ENGAGING TOOLS AND ATTACHMENTS AND BEARING MEANS COOPERATIVELY ASSOCIATED WITH SAID SECTIONS FOR FACILITATING TELESCOPIC MOVEMENT OF SAID SECTIONS RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
128 words
IN A TELESCOPIC BOOM ASSEMBLY INCLUDING AN OUTER SECTION HAVING REARWARD AND FORWARD ENDS AND AN EXTENSIBLE INNER SECTION TELESCOPICALLY MOVABLE RELATIVE THERETO FOR EXTENSION AND RETRACTION THROUGH THE FORWARD END OF SAID OUTER SECTION, A REMOVABLE ELONGATED CARTRIDGE POSITIONED WITHIN SAID SECTIONS WITH ONE END SECURED TO THE REARWARD END OF SAID OUTER SECTION AGAINST LONGITUDINAL MOVEMENT RELATIVE TO SAID OUTER SECTION AND WITH THE OTHER END FREE WITH RESPECT TO SAID BOOM SECTIONS, SAID CARTRIDGE INLCUDING MEANS FOR CAUSING SAID RELATIVE MOVEMENT OF SAID SECTIONS, A COMBINED TOOL HEAD AND TOOL ACTUATING MEANS CARRIED BY ONE END OF SAID MOVABLE SECTION FOR RELEASABLY ENGAGING TOOLS AND ATTACHMENTS AND BEARING MEANS COOPERATIVELY ASSOCIATED WITH SAID SECTIONS FOR FACILITATING TELESCOPIC MOVEMENT OF SAID SECTIONS RELATIVE TO EACH OTHER.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |