Patent US4003654A successfully refreshed from Google Patents.
US4003654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact print test window
Assignee: Lee Raymond Organization Inc
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Filing: 1975-05-30
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Granted: 1977-01-18
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Expires: 1995-05-30
Abstract
Abstract A sheet of opaque material has a window therein and marks on the sheet indicating the positioning of an edge of a test print for placement over the window to expose different areas of the test print in succession.
Inventors
- 👤 William G. Smolen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:48
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/582
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
118 words
A contact photoprint testing device, comprising a sheet of opaque material having a substantially rectangular window positioned in the center of said sheet, said window having four sides and four corners, said sheet having marks thereon indicating the positioning of an edge of a test print for placement over the window to expose different areas of the test print in succession, said marks comprising a plurality of pairs of corner indications at different distances from a pair of corners of the window whereby a test print is first positioned with the corners of one edge at the corner indications farthest from the window for exposure and is successively positioned at the indications closer to the window for exposure.
Claim 2
Dependent Claim
118 words
A contact photoprint testing device, comprising a sheet of opaque material having a substantially rectangular window positioned in the center of said sheet, said window having four sides and four corners, said sheet having marks thereon indicating the positioning of an edge of a test print for placement over the window to expose different areas of the test print in succession, said marks comprising a plurality of pairs of corner indications at different distances from a pair of corners of the window whereby a test print is first positioned with the corners of one edge at the corner indications farthest from the window for exposure and is successively positioned at the indications closer to the window for exposure.
Claim 3
Dependent Claim
29 words
A contact photoprint testing device as claimed in claim 1, wherein the sheet of opaque material is black plastic and the window is a hole formed through the sheet.
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) | 1980-01-18 | 1980-07-19 | 1981-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-18 | 1984-07-19 | 1985-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-18 | 1988-07-19 | 1989-01-18 | $7700.00 | Window Closed / Lapsed |