Royston Manufacturing Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4850285 Shelving systemExpiredJan 18, 84Jul 25, 89[A47B]
D278400 Outdoor telephone boothExpiredDec 22, 82Apr 16, 85[]
4489996 Cabinet with an external shelf and cup dispenserExpiredAug 23, 82Dec 25, 84[A47F]
D276296 Outdoor telephone boothExpiredApr 19, 82Nov 13, 84[]
4432170 Outdoor telephone boothExpiredJun 28, 82Feb 21, 84[E04H]
4402389 Press brake safety deviceExpiredFeb 25, 81Sep 06, 83[F16P]
D264908 Combined cup dispenser and straw holderExpiredMay 27, 80Jun 15, 82[D099, D070]
4319793 Sheet metal cabinetExpiredJul 14, 80Mar 16, 82[A47B]
4264113 Counter top and support means thereforExpiredJun 26, 79Apr 28, 81[A47F]
4242970 Free-standing article support unitExpiredJun 27, 79Jan 06, 81[A47F]

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