← Back to Patent Explorer
US3283972A Expired / Lapsed US ⏱️ 0.0 years remaining

Ladder carrying devices

Assignee: Werner Co
•
Filing: 1965-05-12
•
Granted: 1966-11-08
•
Expires: 1985-05-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Lawrence A Kocina

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:25
CPC Classifications
B; B60; B60R; B60R9/00; B60R9/04; B60R9/048; B60R9/0485

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 156 words
THE COMBINATION WITH LADDERS HAVING CHANNEL SHAPED RAIL MEMBERS AND TUBULAR CONNECTING RUNGS SECURED WITHIN OPENINGS IN THE WEB OF EACH OF SAID RAILS, WHICH LADDERS ARE ADAPTED TO BE POSITIONED LENGTHWISE OF THE VEHICLE TOP, OF FLEXIBLE PLASTIC LADDER CARRIERS EACH HAVING A BASE SECTION, A PAIR OF LEGS DISPOSED ON OPPOSITE SIDES OF SAID BASE SECTION, EACH LEG HAVING A FLANGED END PORTION, THE SAID FLANGED END PORTIONS OF SAID LEGS BEING DIRECTED TOWARD EACH OTHER, SAID LEG EXTENDING UPWARDLY FROM THE BASE, THE FLANGED END PORTION OF ONE OF SAID LEGS ADAPTED TO BE SECURED WITHIN ONE OF THE OPENINGS IN SAID RUNGS AND THE OTHER OF SAID LEGS ADAPTED TO BE DISPOSED WITHIN A RAIL FLANGE OF SAID RAIL MEMBER, THE RUNG ENGAGING LEG BEING LONGER THAN THE RAIL ENGAGING LEGS, THE BASE OF EACH SAID CARRIER BEING ADAPTED TO BE DISPOSED ON SAID VEHICLE TOP AND SPACING THE LADDER RAIL THEREFROM.
Claim 2
Dependent Claim 156 words
THE COMBINATION WITH LADDERS HAVING CHANNEL SHAPED RAIL MEMBERS AND TUBULAR CONNECTING RUNGS SECURED WITHIN OPENINGS IN THE WEB OF EACH OF SAID RAILS, WHICH LADDERS ARE ADAPTED TO BE POSITIONED LENGTHWISE OF THE VEHICLE TOP, OF FLEXIBLE PLASTIC LADDER CARRIERS EACH HAVING A BASE SECTION, A PAIR OF LEGS DISPOSED ON OPPOSITE SIDES OF SAID BASE SECTION, EACH LEG HAVING A FLANGED END PORTION, THE SAID FLANGED END PORTIONS OF SAID LEGS BEING DIRECTED TOWARD EACH OTHER, SAID LEG EXTENDING UPWARDLY FROM THE BASE, THE FLANGED END PORTION OF ONE OF SAID LEGS ADAPTED TO BE SECURED WITHIN ONE OF THE OPENINGS IN SAID RUNGS AND THE OTHER OF SAID LEGS ADAPTED TO BE DISPOSED WITHIN A RAIL FLANGE OF SAID RAIL MEMBER, THE RUNG ENGAGING LEG BEING LONGER THAN THE RAIL ENGAGING LEGS, THE BASE OF EACH SAID CARRIER BEING ADAPTED TO BE DISPOSED ON SAID VEHICLE TOP AND SPACING THE LADDER RAIL THEREFROM.

References Cited (Backward Citations)

US1870418A Cited
US2239728A Cited
US2615667A Cited
US2694498A Cited
AT177071B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-07 1970-05-09 1970-11-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-07 1974-05-09 1974-11-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-07 1978-05-09 1978-11-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag