TBL Development Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4793122 Tamper-indicating closure for a container, container and method for making sameExpiredNov 22, 82Dec 27, 88[B65D]
4793503 Container closure with rupturable tamper diskExpiredDec 17, 82Dec 27, 88[B65D]
4793504 Closure with containment of telltale meansExpiredSep 12, 83Dec 27, 88[B65D]
4793505 Tamper-indicating container closure with rupturable diskExpiredJan 28, 83Dec 27, 88[B65D]
4792053 Tamper-indicating capped container with angularly movable tineExpiredNov 12, 82Dec 20, 88[B65D]
4784817 Method of making a container closureExpiredSep 07, 84Nov 15, 88[B29C, B65D]
4767587 Method for making a break-away container closureExpiredApr 17, 86Aug 30, 88[B29C, B65D]
4697714 Break-away container closureExpiredApr 17, 86Oct 06, 87[B65D]
4685580 Anti-panelling container closureExpiredApr 18, 86Aug 11, 87[B65D]
4674642 Pressure-indicative container closureExpiredAug 19, 85Jun 23, 87[B65D]
4673096 Closure and rotatable linerExpiredDec 23, 85Jun 16, 87[B65D]
4558794 Container with vessel for retention of telltalesExpiredOct 19, 83Dec 17, 85[B65D]

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