Patent US3246752A successfully refreshed from Google Patents.
US3246752A
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Testing arrangement
Assignee: Eastman Kodak Co
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Filing: 1964-07-09
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Granted: 1966-04-19
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Expires: 1984-07-09
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Wilson
- 👤 Clifford B Bushnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; G03B17/00; G03B17/28; G03B17/30; G03B21/00; G03B21/14; G03B21/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
APPARATUS FOR TESTING A FILM AND BACKING PAPER SCROLL WITHIN A CASSETTE TO DETERMINE THAT THE SCROLL IS DRIVABLE BY A TAKE-UP SPOOL THEREOF TO MOVE A CODING OF THE BACKING PAPER PAST A WINDOW OF THE CASSETTE, COMPRISING: DETECTION MEANS RESPONSIVE TO THE PRESENCE OF THE CODING AS IT PASSES THE CASSETTE WINDOW FOR DEVELOPING A FIRST SIGNAL; A REJECT STATION RECEPTIVE OF THE FIRST SIGNAL; SPOOL DRIVE MEANS FOR ROTATING THE TAKE-UP SPOOL TO MOVE THE BACKING PAPER CODING PAST THE CASSETTE WINDOW TO INITIATE THE FIRST SIGNAL; SWITCH MEANS OPERABLE BY SAID SPOOL DRIVE MEANS TO PROVIDE A SECOND SIGNAL INDICATIVE OF A COMPLETE STROKE THEREOF, SAID REJECT STATION BEING RECEPTIVE OF THE SECOND SIGNAL IN A PREDETERMINED SEQUENCE RELATIVE TO THE FIRST SIGNAL; AND MEANS OPERABLE AT SAID REJECT STATION WHEN THE FIRST AND SECOND SIGNALS ARE NOT RECEIVED IN SAID PREDETERMINED SEQUENCE.
Claim 2
Dependent Claim
147 words
APPARATUS FOR TESTING A FILM AND BACKING PAPER SCROLL WITHIN A CASSETTE TO DETERMINE THAT THE SCROLL IS DRIVABLE BY A TAKE-UP SPOOL THEREOF TO MOVE A CODING OF THE BACKING PAPER PAST A WINDOW OF THE CASSETTE, COMPRISING: DETECTION MEANS RESPONSIVE TO THE PRESENCE OF THE CODING AS IT PASSES THE CASSETTE WINDOW FOR DEVELOPING A FIRST SIGNAL; A REJECT STATION RECEPTIVE OF THE FIRST SIGNAL; SPOOL DRIVE MEANS FOR ROTATING THE TAKE-UP SPOOL TO MOVE THE BACKING PAPER CODING PAST THE CASSETTE WINDOW TO INITIATE THE FIRST SIGNAL; SWITCH MEANS OPERABLE BY SAID SPOOL DRIVE MEANS TO PROVIDE A SECOND SIGNAL INDICATIVE OF A COMPLETE STROKE THEREOF, SAID REJECT STATION BEING RECEPTIVE OF THE SECOND SIGNAL IN A PREDETERMINED SEQUENCE RELATIVE TO THE FIRST SIGNAL; AND MEANS OPERABLE AT SAID REJECT STATION WHEN THE FIRST AND SECOND SIGNALS ARE NOT RECEIVED IN SAID PREDETERMINED SEQUENCE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |