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US 4,057,168 AGranted
Vented test tube top
OwnerBarry L. Bossholdinventor
Life of this patent
Estimating the term…
Abstract
A vented top for a bacteria culture medium tube having a body with through openings to hold one or more tubes simultaneously. A cap closes off all openings or opens them together. Vent means enable automatic venting of gases generated by the bacteria.
Claims5
A vented top for a test media container comprising:
- a holder body adapted to be grasped in the hand;
- a pair of openings through said body;
- means in each of said openings for gripping a laboratory test media container therein:
- a cap hingedly carried on said body for pivotal movement between a closed position covering said pair of openings and an open position displaced therefrom to enable access thereto;
- means on said cap for sealing off said openings in isolation from each other;
- and
- venting means on said cap for each of said openings enabling the release of gases from said each opening to the exterior.
4 more elements
Dependencies are inferred from the claim text.