US3345911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper transport
Assignee: Alves Photo Service Inc
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Filing: 1964-09-22
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Granted: 1967-10-10
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Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Richard G Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:13
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
FOR USE WITH AN ENLARGER, A SENSITIVE PAPER TRANSPORT COMPRISING A MOBILE BASE, A HOUSING AT EACH END TO THE BASE, THAT PORTION OF THE BASE BETWEEN THE HOUSINGS CONSTITUTING A FLAT SUPPORT SURFACE ADAPTED TO BE PLACED IN THE FOCAL PLANE OF THE ENLARGE, MEANS IN ONE OF THE HOUSINGS SUPPORTING A ROLL OF SENSITIVE PAPER, MEANS IN THE OTHER HOUSING FOR TAKING UP THE EXPOSED PAPER AND MEANS MOVABLE BETWEEN THE HOUSINGS, PARALLEL TO THE BASE, TO CONCEAL THE ENTIRE AREA OF THE PAPER RESTING ON THE SUPPORTING SURFACE UNTIL A EXPOSURE IS TO BE MADE, AND MEANS BEING OPERATIVE, ACCORDING TO THE SIZE OF THE EXPOSURE TO BE MADE, TO EXPOSE ONLY AN AREA OF SUCH SIZE.
Claim 2
Dependent Claim
120 words
FOR USE WITH AN ENLARGER, A SENSITIVE PAPER TRANSPORT COMPRISING A MOBILE BASE, A HOUSING AT EACH END TO THE BASE, THAT PORTION OF THE BASE BETWEEN THE HOUSINGS CONSTITUTING A FLAT SUPPORT SURFACE ADAPTED TO BE PLACED IN THE FOCAL PLANE OF THE ENLARGE, MEANS IN ONE OF THE HOUSINGS SUPPORTING A ROLL OF SENSITIVE PAPER, MEANS IN THE OTHER HOUSING FOR TAKING UP THE EXPOSED PAPER AND MEANS MOVABLE BETWEEN THE HOUSINGS, PARALLEL TO THE BASE, TO CONCEAL THE ENTIRE AREA OF THE PAPER RESTING ON THE SUPPORTING SURFACE UNTIL A EXPOSURE IS TO BE MADE, AND MEANS BEING OPERATIVE, ACCORDING TO THE SIZE OF THE EXPOSURE TO BE MADE, TO EXPOSE ONLY AN AREA OF SUCH SIZE.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |