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US3258884A Expired / Lapsed US ⏱️ 0.0 years remaining

Wide angle portable stage and shell

Assignee: Individual
•
Filing: 1963-01-18
•
Granted: 1966-07-05
•
Expires: 1983-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Harry J Wenger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:47
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 199 words
A STAGE AND SOUND PROJECTING SHELL OF THE GENERAL TYPE COMPRISING A TRAILER BODY HAVING ONE SIDE HINGED AT ITS TOP WITH MEANS FOR RAISING IT AT THE BOTTOM WHEREBY IT FORMS A PROJECTING CANOPY AND OPENS ONE SIDE OF THE TRAILER, COMBINED WITH A PLURALITY OF PLATFORM MEANS REMOVABLY ENGAGED WITH THE TRAILER AND EACH OTHER TO FORM AN EXTENDING PLATFORM AT THE OPEN SIDE OF SAID TRAILER, THE IMPROVEMENT COMPRISING, PLATFORM MEMBERS REMOVABLY SECURED TO OTHER PLATFORM MEMBERS AND PROJECTING BEYOND EACH END OF SAID TRAILER, LEG MEMBERS SUPPORTING THE OUTBOARD PORTIONS OF ALL PLATFORM MEMBERS, SAID PLATFORM MEMBERS HAVING EXPOSED FRONT CHANNELS AND COOPERATING PLATES AT THEIR OUTBOARD ENDS, STAIR MEANS HAVING FIRST AND SECOND BRACKETS HAVING HOOK PORTIONS, CORRESPONDING FIRST AND SECOND BRACKET MEANS EXTENDING IN BOTH DIRECTIONS BEYOND SAID FIRST AND SECOND BRACKET HOOK PORTIONS, AT LEAST ONE OF SAID HOOK PORTIONS REMOVABLY ENGAGED WITH ONE OF SAID COOPERATING PLATES AND CHANNELS OF A PLATFORM MEMBER AND SECURING MEANS SECURED TO SAID BRACKET MEANS IN SPACED RELATION TO SAID HOOK PORTIONS AND ENGAGING SAID PLATFORM MEMBERS TO PREVENT UNINTENTIONAL DISENGAGEMENT OF THE HOOKED PORTION FROM A COOPERATING PLATE AND CHANNEL OF SAID PLATFORM MEMBER.
Claim 2
Dependent Claim 199 words
A STAGE AND SOUND PROJECTING SHELL OF THE GENERAL TYPE COMPRISING A TRAILER BODY HAVING ONE SIDE HINGED AT ITS TOP WITH MEANS FOR RAISING IT AT THE BOTTOM WHEREBY IT FORMS A PROJECTING CANOPY AND OPENS ONE SIDE OF THE TRAILER, COMBINED WITH A PLURALITY OF PLATFORM MEANS REMOVABLY ENGAGED WITH THE TRAILER AND EACH OTHER TO FORM AN EXTENDING PLATFORM AT THE OPEN SIDE OF SAID TRAILER, THE IMPROVEMENT COMPRISING, PLATFORM MEMBERS REMOVABLY SECURED TO OTHER PLATFORM MEMBERS AND PROJECTING BEYOND EACH END OF SAID TRAILER, LEG MEMBERS SUPPORTING THE OUTBOARD PORTIONS OF ALL PLATFORM MEMBERS, SAID PLATFORM MEMBERS HAVING EXPOSED FRONT CHANNELS AND COOPERATING PLATES AT THEIR OUTBOARD ENDS, STAIR MEANS HAVING FIRST AND SECOND BRACKETS HAVING HOOK PORTIONS, CORRESPONDING FIRST AND SECOND BRACKET MEANS EXTENDING IN BOTH DIRECTIONS BEYOND SAID FIRST AND SECOND BRACKET HOOK PORTIONS, AT LEAST ONE OF SAID HOOK PORTIONS REMOVABLY ENGAGED WITH ONE OF SAID COOPERATING PLATES AND CHANNELS OF A PLATFORM MEMBER AND SECURING MEANS SECURED TO SAID BRACKET MEANS IN SPACED RELATION TO SAID HOOK PORTIONS AND ENGAGING SAID PLATFORM MEMBERS TO PREVENT UNINTENTIONAL DISENGAGEMENT OF THE HOOKED PORTION FROM A COOPERATING PLATE AND CHANNEL OF SAID PLATFORM MEMBER.

References Cited (Backward Citations)

US163113A Cited
US1521803A Cited
US826621A Cited
GB191112992A Cited
US1417736A Cited
FR644431A Cited
US2003876A Cited
US2344726A Cited
CH302346A Cited
US2560878A Cited
US2988360A Cited
US3043407A Cited
US2954260A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-04 1970-01-03 1970-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-04 1974-01-03 1974-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-04 1978-01-03 1978-07-05 $7700.00 Window Closed / Lapsed

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