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US3110491A Expired / Lapsed US ⏱️ 0.0 years remaining

Magazine for plate-type photographic apparatus

Assignee: Robertson Photo-Mechanix Inc
•
Filing: 1959-09-08
•
Granted: 1963-11-12
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Expires: 1979-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Wanielista Walter
  • 👤 Jr Charles Peter Sippel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 00:53
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/32; G03B17/34

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 131 words
IN A MAGAZINE ASSEMBLY FOR A PHOTOGRAPHIC APPARATUS, A SUPPORT PLATE FOR HOLDING A STACK OF PHOTOGRAPHICALLY SENSITIZED SHEETS, MEANS DEFINING AN ARCUATE SLOT IN SAID PLATE LEADING TOWARD A STACK OF SHEETS ON THE PLATE, A GUIDE PIN PROJECTING UPWARWDLY THROUGH SAID SLOT, AN ADJUSTMENT MEMBER SUPPORTING THE PIN BEING PIVOTALLY MOUNTED ON THE SUPPORT PLATE AT THE RADIAL CENTER OF SAID ARCUATE SLOT, SAID ADJUSTMENT MEMBER BEING ROTATABLE ABOUT ITS PIVOTAL MOUNT FOR ADJUSTABLY POSITIONING SAID PIN IN A DESIRED LOCATION ALONG SAID SLOT RELATIVE TO THE EDGE OF THE STACK OF SHEETS, AND A BIASING MEANS CONNECTED TO SAID GUIDE PIN URGING THE PIN UPWARDLY IN ALL POSITIONS OF SAID ADJUSTMENT MEMBER SO IT WILL RECEDE WHEN A PICKUP MEMBER VERTICALLY ENGAGES THE UPPERMOST SHEET ON THE PLATE.
Claim 2
Dependent Claim 131 words
IN A MAGAZINE ASSEMBLY FOR A PHOTOGRAPHIC APPARATUS, A SUPPORT PLATE FOR HOLDING A STACK OF PHOTOGRAPHICALLY SENSITIZED SHEETS, MEANS DEFINING AN ARCUATE SLOT IN SAID PLATE LEADING TOWARD A STACK OF SHEETS ON THE PLATE, A GUIDE PIN PROJECTING UPWARWDLY THROUGH SAID SLOT, AN ADJUSTMENT MEMBER SUPPORTING THE PIN BEING PIVOTALLY MOUNTED ON THE SUPPORT PLATE AT THE RADIAL CENTER OF SAID ARCUATE SLOT, SAID ADJUSTMENT MEMBER BEING ROTATABLE ABOUT ITS PIVOTAL MOUNT FOR ADJUSTABLY POSITIONING SAID PIN IN A DESIRED LOCATION ALONG SAID SLOT RELATIVE TO THE EDGE OF THE STACK OF SHEETS, AND A BIASING MEANS CONNECTED TO SAID GUIDE PIN URGING THE PIN UPWARDLY IN ALL POSITIONS OF SAID ADJUSTMENT MEMBER SO IT WILL RECEDE WHEN A PICKUP MEMBER VERTICALLY ENGAGES THE UPPERMOST SHEET ON THE PLATE.

References Cited (Backward Citations)

US55774A Cited
US567043A Cited
US1326334A Cited
US1830604A Cited
US2235844A Cited
US2371925A Cited
US2925025A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-11-11 1967-05-13 1967-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-11-11 1971-05-13 1971-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-11-11 1975-05-13 1975-11-12 $7700.00 Window Closed / Lapsed

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