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US4224853A Expired / Lapsed US ⏱️ 0.0 years remaining

Diapositive trimmer

Assignee: Individual
•
Filing: 1978-03-29
•
Granted: 1980-09-30
•
Expires: 1998-03-29
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Abstract

Abstract A device for trimming a diapositive with trimming angles and punching pins so the diapositive can be exactly positioned within a frame.

Inventors

  • 👤 Matti K. Ruotsalainen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 02:06
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/10; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/658; Y10T83/748; Y10T83/7487; Y10T83/828; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/856; Y10T83/857; Y10T83/869; Y10T83/8748; Y10T83/8749; Y10T83/8798; Y10T83/8799; Y10T83/8801; Y10T83/8804; Y10T83/8809; Y10T83/929; Y10T83/9411; Y10T83/9418

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 88 words
An apparatus for trimming a diapositive comprising: (a) a perforated plate for positioning the diapositive; (b) at least one trimming angle for forming a trimming area over the diapositive on the positioning plate; and (c) a cutter which comprises: (1) a frame for cutting the angle and diapositive at a predetermined width; and (2) at least one punching pin for perforating both the angle and the diapositive, the positioning plate provided with a corresponding number of holes to allow for complete perforation of the angle and the diapositive.
Claim 2
Independent Claim 88 words
An apparatus for trimming a diapositive comprising: (a) a perforated plate for positioning the diapositive; (b) at least one trimming angle for forming a trimming area over the diapositive on the positioning plate; and (c) a cutter which comprises: (1) a frame for cutting the angle and diapositive at a predetermined width; and (2) at least one punching pin for perforating both the angle and the diapositive, the positioning plate provided with a corresponding number of holes to allow for complete perforation of the angle and the diapositive.
Claim 3
Dependent Claim 9 words
The apparatus of claim 1 comprising two trimming angles.
Claim 4
Dependent Claim 9 words
The apparatus of claim 2 comprising four punching pins.

References Cited (Backward Citations)

US2591519A Cited
US2588087A Cited
US3744902A Cited
US3585890A Cited
US4143571A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-09-30 1984-03-31 1984-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-09-30 1988-03-31 1988-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-09-30 1992-03-31 1992-09-30 $7700.00 Window Closed / Lapsed

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