Vacuum pencil

Claim 1

A UNITARY, COMPLETELY SELF-CONTAINED VACUUM PENCIL FOR ASPIRATING ARTICLES AND FLUIDS FROM CONFINED SPACES, COMPRISING: A RELATIVELY SMALL, SLENDER, PENCIL-LIKE BARREL ADAPTED TO BE HELD IN ONE HAND, SAID BARREL HAVING FRONT AND REAR ENDS AND AN ORIFICE OPENING THROUGH SAID FRONT ENDS; A PLUNGER MOVABLE IN SAID BARREL; A SPRING ACTING BETWEEN SAID BARREL AND PLUNGER FOR URGING SAID PLUNGER REARWARDLY IN SAID BARREL, THE END OF SAID BARREL FOR FORWARD MOVEMENT OF SAID PLUNGER TO A FORWARD EXTENDED POSITION IN SAID BARREL AGAINST THE ACTION OF SAID SPRING BY FINGER PRESSURE ON THE EXPOSED REAR END OF SAID PLUNGER; LATCH MEANS OPERABLE EXTERNALLY OF SAID BARREL FOR LATCHING SAID PLUNGER IN SAID FORWARD EXTENDED POSITION; AN EJECTOR ROD OPERATIVELY CONNECTED TO SAID PLUNGER AND MOVABLE FORWARDLY IN SAID BARREL WITH SAID PLUNGER TO A POSITION WHEREIN THE FORWARD END OF SAID ROD EXTENDS INTO SAID ORIFICE WHEN SAID PLUNGER OCCUPIES SAID FORWARD EXTENDED POSITION THEREOF; AND A SCREENING ELEMENT DISPOSED WITHIN SAID BARREL IN SURROUNDING RELATION TO SAID EJECTOR ROD BETWEEN SAID ORIFICE AND PLUNGER, SAID SCREENING ELEMENT BEING PERVIOUS TO AIR BUT IMPERVIOUS TO ARTICLES AND FLUIDS ASPIRATED INTO SAID PENCIL.