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US3246769A Expired / Lapsed US ⏱️ 0.0 years remaining

Crane

Assignee: Koehring Co
•
Filing: 1963-10-15
•
Granted: 1966-04-19
•
Expires: 1983-10-15
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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 02:55
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-

References Cited (Backward Citations)

US358458A Cited
US472113A Cited
US2732180A Cited
US2688411A Cited
US3072265A Cited
US3083837A Cited
US3037641A Cited
US3092260A Cited
US3176854A Cited

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

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