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US2676901A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing a photographic film holder

Assignee: Graflex Inc
•
Filing: 1950-07-11
•
Granted: 1954-04-27
•
Expires: 1970-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 James S Panosian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 17:32
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
THE METHOD OF MANUFACTURING A PHOTOGRAPHIC FILM HOLDER WHICH HAS A RIGID SEPARATOR PLATE MOUNTED IN A PLASTIC FRAME, SAID SEPARATOR PLATE BEING ADAPTED TO CARRY SENSITIZED SHEETS ON ITS OPPOSITE SIDES AND SAID FRAME PROJECTING LATERALLY AT OPPOSITE SIDES FROM THE OPPOSITE SIDES OF THE PLATE, WHICH COMPRISES PLACING THE PLATE UPON A PLASTIC FRAME PIECE WHOSE THICKNESS IS SLIGHTLY MORE THAN HALF THAT OF THE FINISHED FRAME, THEN PLACING A SECOND PLASTIC FRAME PIECE, WHOSE THICKNESS ALSO IS SLIGHTLY MORE THAN HALF THAT OF THE FINISHED FRAME, OVER THE PLATE WITH THE OPPOSED LATERAL FACES OF THE TWO FRAME PIECES IN CONTACT AND IN A PLASTIC STATE, POSITIONING THE TWO FRAME PIECES BETWEEN DIES AND PRESSING THE DIES TOWARD ONE ANOTHER UNTIL THE DIES ENGAGE THE SEPARATOR PLATE, TO SECURE THE FRAME PIECES TOGETHER AROUND SAID PLATE, AND TO SPACE THE OUTSIDE LATERAL FACE OF THE FRAME AT PRECISE DISTANCES, RESPECTIVELY, FROM SENSITIZED SHEETS WHICH ARE CARRIED BY SAID PALTE.
Claim 2
Independent Claim 162 words
THE METHOD OF MANUFACTURING A PHOTOGRAPHIC FILM HOLDER WHICH HAS A RIGID SEPARATOR PLATE MOUNTED IN A PLASTIC FRAME, SAID SEPARATOR PLATE BEING ADAPTED TO CARRY SENSITIZED SHEETS ON ITS OPPOSITE SIDES AND SAID FRAME PROJECTING LATERALLY AT OPPOSITE SIDES FROM THE OPPOSITE SIDES OF THE PLATE, WHICH COMPRISES PLACING THE PLATE UPON A PLASTIC FRAME PIECE WHOSE THICKNESS IS SLIGHTLY MORE THAN HALF THAT OF THE FINISHED FRAME, THEN PLACING A SECOND PLASTIC FRAME PIECE, WHOSE THICKNESS ALSO IS SLIGHTLY MORE THAN HALF THAT OF THE FINISHED FRAME, OVER THE PLATE WITH THE OPPOSED LATERAL FACES OF THE TWO FRAME PIECES IN CONTACT AND IN A PLASTIC STATE, POSITIONING THE TWO FRAME PIECES BETWEEN DIES AND PRESSING THE DIES TOWARD ONE ANOTHER UNTIL THE DIES ENGAGE THE SEPARATOR PLATE, TO SECURE THE FRAME PIECES TOGETHER AROUND SAID PLATE, AND TO SPACE THE OUTSIDE LATERAL FACE OF THE FRAME AT PRECISE DISTANCES, RESPECTIVELY, FROM SENSITIZED SHEETS WHICH ARE CARRIED BY SAID PALTE.

References Cited (Backward Citations)

US1308330A Cited
US1565532A Cited
US1209358A Cited
US1244676A Cited
US1910526A Cited
US2344951A Cited
US2450841A Cited
US2497270A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-04-26 1957-10-26 1958-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-04-26 1961-10-26 1962-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-04-26 1965-10-26 1966-04-27 $7700.00 Window Closed / Lapsed

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