US3222501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprocket hole checking system
Assignee: Honeywell Inc
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Filing: 1961-10-02
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Granted: 1965-12-07
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Wood Brainerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/01; G06K7/016; G06K7/0163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
APPARATUS RESPONSIVE TO THE PRESENCE OF SPACED CLOCK INDICIA ON A MOVING RECORD MEDIUM COMPRISING A PAIR OF INDICIA SENSING ELEMENTS POSITIONED TO DETECT EACH INDICIUM PASSED THEREBY AND PRODUCE AN OUTPUT SIGNAL INDICATIVE OF EACH INDICIUM SENSED, SAID SENSING ELEMENTS BEING POSITIONED APART BY A DISTANCE DIFFERENT THAN THE DISTANCE BETWEEN THE RECORD INDICIA, AND MEANS SENSING THE OUTPUTS OF SAID SENSING ELEMENTS AT A PREDETERMINED TIME A PRODUCE A CONTROL SIGNAL IF SAID OUTPUTS ARE BOTH OF A PRE-
Claim 2
Dependent Claim
81 words
APPARATUS RESPONSIVE TO THE PRESENCE OF SPACED CLOCK INDICIA ON A MOVING RECORD MEDIUM COMPRISING A PAIR OF INDICIA SENSING ELEMENTS POSITIONED TO DETECT EACH INDICIUM PASSED THEREBY AND PRODUCE AN OUTPUT SIGNAL INDICATIVE OF EACH INDICIUM SENSED, SAID SENSING ELEMENTS BEING POSITIONED APART BY A DISTANCE DIFFERENT THAN THE DISTANCE BETWEEN THE RECORD INDICIA, AND MEANS SENSING THE OUTPUTS OF SAID SENSING ELEMENTS AT A PREDETERMINED TIME A PRODUCE A CONTROL SIGNAL IF SAID OUTPUTS ARE BOTH OF A PRE-
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |