Patent US3235657A successfully refreshed from Google Patents.
US3235657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying apparatus with optical scanning
Assignee: Individual
•
Filing: 1962-06-13
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Granted: 1966-02-15
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 Edward J Fleissner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:43
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A FACSIMILE COPYING APPARATUS HAVING A ROTATABLE DRUM FOR SUPPORTING MATERIAL TO BE SCANNED, AN IMPROVED SCANNING MEANS COMPRISING A HOUSING ADAPTED TO TRAVERSE THE LENGTH OF SAID DRUM AND A LIGHT SENSITIVE ELEMENT IN SAID HOUSING, SAID HOUSING INCLUDING A LIGHT TRAP HAVING A PAIR OF MINUTE OPENINGS IN SPACED ALIGNMENT WITH SAID LIGHT SENSITIVE ELEMENT AND THE SURFACE OF SAID DRUM FOR DIRECTING REFLECTED LIGHT IN A RESTRICTED PATH FROM SAID DRUM THROUGH SAID OPENINGS ONTO SAID ELEMENT.
Claim 2
Dependent Claim
81 words
IN A FACSIMILE COPYING APPARATUS HAVING A ROTATABLE DRUM FOR SUPPORTING MATERIAL TO BE SCANNED, AN IMPROVED SCANNING MEANS COMPRISING A HOUSING ADAPTED TO TRAVERSE THE LENGTH OF SAID DRUM AND A LIGHT SENSITIVE ELEMENT IN SAID HOUSING, SAID HOUSING INCLUDING A LIGHT TRAP HAVING A PAIR OF MINUTE OPENINGS IN SPACED ALIGNMENT WITH SAID LIGHT SENSITIVE ELEMENT AND THE SURFACE OF SAID DRUM FOR DIRECTING REFLECTED LIGHT IN A RESTRICTED PATH FROM SAID DRUM THROUGH SAID OPENINGS ONTO SAID ELEMENT.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |