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US3821771A Expired / Lapsed US ⏱️ 0.0 years remaining

Non folding tripod adapter

Assignee: Polaroid Corp
•
Filing: 1972-10-24
•
Granted: 1974-06-28
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Expires: 1992-10-24
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Abstract

Abstract A NON-FOLDING ADAPTED FOR USE WITH A FOLDING PHOTOGRAPHIC CAMERA CHARACTERIZED IN HAVING AN OPTICAL AXIS IN A NONPARALLEL ORIENTATION WITH RESPECT TO A SUPPORTING BASE OF THE CAMERA. THE ADAPTED INCLUDES FIRST AND SECOND SECTIONS ANGULARLY ORIENTED WITH RESPECT TO EACH OTHER. THE ADAPTED IN CONFIGURED TO BE ATTACHED TO THE SUPPORTING BASE OF THE CAMERA FOR PERMITTING A REALIGNMENT OF THE CAMERA''S OPTICAL AXIS TO A HORIZONTAL POSITION WHEN THE CAMERA AND ADAPTED ARE PLACED ON A HORIZONTAL SURFACE. THE ADAPTER PERMITS THE CAMERA TO BE CONVENIENTLY COUPLED TO A CONVENTIONAL TRIPOD OR POSITIONED ON A FLAT SURFACE WITH THE OPTICAL AXIS HORIZONTALLY DIRECTED. THE ADAPTER ADDITIONALLY INCLUDES A PORTION THEREOF WHICH PREVENTS INADVERTENT FOLDING OF THE CAMERA WHILE THE ADAPTED IS ATTACHED TO THE CAMERA.

Inventors

  • 👤 B Johnson
  • 👤 J Reynard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:07
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/56; G03B17/566

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-27 1977-12-27 1978-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-27 1981-12-27 1982-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-27 1985-12-27 1986-06-28 $7700.00 Window Closed / Lapsed

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