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US3239868A Expired / Lapsed US ⏱️ 0.0 years remaining

Film cleaner

Assignee: Individual
•
Filing: 1963-10-16
•
Granted: 1966-03-15
•
Expires: 1983-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Vito Peter Di

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:57
CPC Classifications
G; G03; G03D; G03D15/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 222 words
A UNIVERSAL FILM CLEANING DEVICE FOR USE ON PROJECTORS OF DIFFERENT DESIGNS, COMPRISING AN ELONGATED BODY STRUCTURE, FORMED FROM WIRE-LIKE STOCK AND GENERALLLY TSHAPED, HAVING AN ELONGATED MOUNTING PORTION, A MOUNTING LUG TO WHICH ONE END OF SAID MOUNTING PORTION IS RIGIDLY SECURED, SAID LUG BEING FORMED FOR RECEIVING A SCREW, BY MEANS OF WHICH THE DEVICE MAY BE OPERATIVELY MOUNTED ON A PROJECTOR ADJACENT THE PATH OF FILM PASSING THERETHROUGH, THE OPPOSITE END OF SAID MOUNTING PORTION CARRYING A PAIR OF OPPOSITELY EXTENDING ARMS WHICH EXTEND TRANSVERSELY TO THE MOUNTAIN PORTION AND TERMINATING IN FREE END PORTIONS WHICH EXTEND TRANSVERSELY TO THE ASSOCIATED ARM, A CLEANING ELEMENT FOR EACH ARM, EACH CLEANING ELEMENT COMPRISING A BRUSH MEMBER HAVING A RIGID HOLDER FOR A PLURALITY OF FINE HAIR BRISTLES, EACH BRUSH HOLDER BEING RIGIDLY CONNECTED TO THE FREE END PORTION OF ITS ASSOCIATED ARM WITH THE AXIS OF SUCH END PORTION EXTENDING TRANSVERSELY TO THE DIRECTION OF SAID HAIR BRISTLES, SAID BODY STRUCTURE BEING FORMED FROM A MATERIAL THAT MAY BE READILY MANUALLY BENT BUT HAS SUFFICIENT INHERENT RIGIDITY THAT IT WILL OPERATIVELY SUPPORT SAID CLEANING ELEMENTS IN ADJUSTED POSITIONS AT OPPOSITE SIDES OF A FILM STRIP PASSING THROUGH SUCH A PROJECTOR, WITH SAID FINE HAIR BRISTLES IN ENGAGEMENT WITH RESPECTIVE FACES OF SUCH A FILM STRIP TO REMOVE FOREIGN MATTER THEREFROM.
Claim 2
Dependent Claim 222 words
A UNIVERSAL FILM CLEANING DEVICE FOR USE ON PROJECTORS OF DIFFERENT DESIGNS, COMPRISING AN ELONGATED BODY STRUCTURE, FORMED FROM WIRE-LIKE STOCK AND GENERALLLY TSHAPED, HAVING AN ELONGATED MOUNTING PORTION, A MOUNTING LUG TO WHICH ONE END OF SAID MOUNTING PORTION IS RIGIDLY SECURED, SAID LUG BEING FORMED FOR RECEIVING A SCREW, BY MEANS OF WHICH THE DEVICE MAY BE OPERATIVELY MOUNTED ON A PROJECTOR ADJACENT THE PATH OF FILM PASSING THERETHROUGH, THE OPPOSITE END OF SAID MOUNTING PORTION CARRYING A PAIR OF OPPOSITELY EXTENDING ARMS WHICH EXTEND TRANSVERSELY TO THE MOUNTAIN PORTION AND TERMINATING IN FREE END PORTIONS WHICH EXTEND TRANSVERSELY TO THE ASSOCIATED ARM, A CLEANING ELEMENT FOR EACH ARM, EACH CLEANING ELEMENT COMPRISING A BRUSH MEMBER HAVING A RIGID HOLDER FOR A PLURALITY OF FINE HAIR BRISTLES, EACH BRUSH HOLDER BEING RIGIDLY CONNECTED TO THE FREE END PORTION OF ITS ASSOCIATED ARM WITH THE AXIS OF SUCH END PORTION EXTENDING TRANSVERSELY TO THE DIRECTION OF SAID HAIR BRISTLES, SAID BODY STRUCTURE BEING FORMED FROM A MATERIAL THAT MAY BE READILY MANUALLY BENT BUT HAS SUFFICIENT INHERENT RIGIDITY THAT IT WILL OPERATIVELY SUPPORT SAID CLEANING ELEMENTS IN ADJUSTED POSITIONS AT OPPOSITE SIDES OF A FILM STRIP PASSING THROUGH SUCH A PROJECTOR, WITH SAID FINE HAIR BRISTLES IN ENGAGEMENT WITH RESPECTIVE FACES OF SUCH A FILM STRIP TO REMOVE FOREIGN MATTER THEREFROM.

References Cited (Backward Citations)

DE313769C Cited
US635778A Cited
US653445A Cited
US1679401A Cited
US2237761A Cited
US2706503A Cited
US3044088A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-14 1969-09-13 1970-03-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-14 1973-09-13 1974-03-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-14 1977-09-13 1978-03-15 $7700.00 Window Closed / Lapsed

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