Folding umbrella
First Claim
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1. A FOLDING UMBRELLA COMPRISING, IN COMBINATION, A THIN FLEXIBLE SHEET INCLUDING A PLURALITY OF RADIALLY EXTENDING TRIANGULAR SECTIONS, SAID SECTIONS BEING DEFINED BY TWO DIAMETRICALLY OPPOSED RADIALLY EXTENDING MAJOR FOLD LINES AND A PLURALITY OF RADIALLY EXTENDING MINOR FOLD LINES;
- A PLURALITY OF UPSTANDING STIFFENER RIBS ALONG SAID MINOR FOLD LINES CIRCUMFERENTIALLY SPACED BETWEEN SAID TWO MAJOR FOLD LINES, TWO OF SAID SECTIONS THAT ARE JOINED ALONG ONE OF SAID MAJOR FOLD LINES BEING SLIGHTLY WIDER
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1 Claim
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1. A FOLDING UMBRELLA COMPRISING, IN COMBINATION, A THIN FLEXIBLE SHEET INCLUDING A PLURALITY OF RADIALLY EXTENDING TRIANGULAR SECTIONS, SAID SECTIONS BEING DEFINED BY TWO DIAMETRICALLY OPPOSED RADIALLY EXTENDING MAJOR FOLD LINES AND A PLURALITY OF RADIALLY EXTENDING MINOR FOLD LINES;
- A PLURALITY OF UPSTANDING STIFFENER RIBS ALONG SAID MINOR FOLD LINES CIRCUMFERENTIALLY SPACED BETWEEN SAID TWO MAJOR FOLD LINES, TWO OF SAID SECTIONS THAT ARE JOINED ALONG ONE OF SAID MAJOR FOLD LINES BEING SLIGHTLY WIDER
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Current AssigneeDale E. Kreachbaum
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Original AssigneeDale E. Kreachbaum
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InventorsKreachbaum, Dale E.
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Application NumberUS04/168,134Time in Patent Office1,330 DaysField of SearchUS Class Current135/19.5CPC Class CodesA45B 19/00 Special folding or telescop...A45B 2023/0087 having a planar opening mov...
