Patent US3246769A successfully refreshed from Google Patents.
US3246769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane
Assignee: Koehring Co
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Filing: 1963-10-15
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Granted: 1966-04-19
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Expires: 1983-10-15
Abstract
No abstract record available.
Inventors
- 👤 George C Noll
- 👤 John D Nielsen
- 👤 George B Klos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:51
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/26; B66C23/34; B66C23/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
IN A MOBILE CRANE OF THE TYPE COMPRISING OF HORIZONTALLY ROTATABLE SUPERSTRUCTURE, THE COMBINATION OF AN UP AND DOWN SWINGABLE TOWER BOOM PIVOTED ON SAID SUPERSTRUCTURE; A STANDARD BOOM PIVOTED ON SAID TOWER BOOM FOR SWINGING MOVEMENT INTO AND OUT OF A FOLDED POSITION ALONGSIDE SAID TOWER BOOM; SEPARABLE TIE MEANS FOR RETAINING SAID STANDARD BOOM IN FOLDED RELATION TO SAID TOWER BOOM DURING SWINGING MOVEMENT OF THE LATTER FROM A GENERALLY HORIZONTAL TO AN ERECTED POSITION ON SAID SUPERSTRUCTURE; SEPARABLE CONNECTING MEANS FOR SECURING SAID TOWER BOOM IN SAID ERECTED POSITION; A FOLDING BACK HITCH GANTRY INCLUDING AN UP AND DOWN SWINGABLE STRUT MEMBER PIVOTED ON SAID SUPERSTRUCTURE; RELEASABLE LOCKING MEANS FOR SECURING SAID STRUT MEMBER AGAINST UPWARD SWINGING MOVEMENT FROM A GANTRY COLLAPSED TOWARD A GANTRY RAISED POSITION; A FIRST CABLE HARNESS CONNECTED IN FORCE TRANSMITTING RELATION WITH SAID TOWER AND STANDARD BOOMS; A SECOND CABLE HARNESS CONNECTED IN FORCE TRANSMITTING RELATION WITH SAID STRUT MEMBER; A CABLE REEVED OVER SAID FIRST AND SECOND HARNESSES; AND HOIST MEANS OPERATIVELY CONNECTED WITH SAID CABLE; SAID CABLE AND HOIST MEANS BEING OPERABLE TO PULL SAID SECOND HARNESS TOWARD SAID FIRST HARNESS FOR RAISING SAID STRUT MEMBER AND THEREAFTER TO PULL SAID FIRST HARNESS TOWARD SAID SECOND HARNESS FOR ERECT-
Claim 2
Dependent Claim
209 words
IN A MOBILE CRANE OF THE TYPE COMPRISING OF HORIZONTALLY ROTATABLE SUPERSTRUCTURE, THE COMBINATION OF AN UP AND DOWN SWINGABLE TOWER BOOM PIVOTED ON SAID SUPERSTRUCTURE; A STANDARD BOOM PIVOTED ON SAID TOWER BOOM FOR SWINGING MOVEMENT INTO AND OUT OF A FOLDED POSITION ALONGSIDE SAID TOWER BOOM; SEPARABLE TIE MEANS FOR RETAINING SAID STANDARD BOOM IN FOLDED RELATION TO SAID TOWER BOOM DURING SWINGING MOVEMENT OF THE LATTER FROM A GENERALLY HORIZONTAL TO AN ERECTED POSITION ON SAID SUPERSTRUCTURE; SEPARABLE CONNECTING MEANS FOR SECURING SAID TOWER BOOM IN SAID ERECTED POSITION; A FOLDING BACK HITCH GANTRY INCLUDING AN UP AND DOWN SWINGABLE STRUT MEMBER PIVOTED ON SAID SUPERSTRUCTURE; RELEASABLE LOCKING MEANS FOR SECURING SAID STRUT MEMBER AGAINST UPWARD SWINGING MOVEMENT FROM A GANTRY COLLAPSED TOWARD A GANTRY RAISED POSITION; A FIRST CABLE HARNESS CONNECTED IN FORCE TRANSMITTING RELATION WITH SAID TOWER AND STANDARD BOOMS; A SECOND CABLE HARNESS CONNECTED IN FORCE TRANSMITTING RELATION WITH SAID STRUT MEMBER; A CABLE REEVED OVER SAID FIRST AND SECOND HARNESSES; AND HOIST MEANS OPERATIVELY CONNECTED WITH SAID CABLE; SAID CABLE AND HOIST MEANS BEING OPERABLE TO PULL SAID SECOND HARNESS TOWARD SAID FIRST HARNESS FOR RAISING SAID STRUT MEMBER AND THEREAFTER TO PULL SAID FIRST HARNESS TOWARD SAID SECOND HARNESS FOR ERECT-
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |