Patent US4224853A successfully refreshed from Google Patents.
US4224853A
Expired / Lapsed
US
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Diapositive trimmer
Assignee: Individual
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Filing: 1978-03-29
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Granted: 1980-09-30
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Expires: 1998-03-29
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 13:34
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)
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 |