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Patent US3283972A successfully refreshed from Google Patents.
US3283972A
Expired / Lapsed
US
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Ladder carrying devices
Assignee: Werner Co
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Filing: 1965-05-12
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Granted: 1966-11-08
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Expires: 1985-05-12
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Kocina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:07
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)
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 |