US2860250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Phillips Petroleum Co
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Filing: 1954-08-11
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Granted: 1958-11-11
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Expires: 1974-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter C Pouppirt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:04
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A RECORDER SYSTEM, IN COMBINATION, A RECORDER HAVING A RECORDING MEDIUM, MEANS FOR MARKING SAID MEDIUM RESPONSIVE TO AN INPUT SIGNAL, AND MEANS FOR EFFECTING RELATIVE MOVEMENT BETWEEN SAID MARKING MEANS AND SAID MEDIUM TO PROVIDE A RECORD OF THE VARIATION OF SAID INPUT SIGNAL WITH TIME, A SOURCE OF DIFFERENT INPUT SIGNALS, TIMING MEANS CONNECTING SAID SOURCE TO SAID MARKING MEANS TO SUCCESSIVELY APPLY SAID DIFFERENT SIGNALS TO SAID MARKING MEANS, MEANS ACTUATED AT A PREDETERMINED BY SAID TIMING MEANS TO APPLY A VOLTAGE PULSE OF ONE POLARITY TO SAID MARKING MEANS COINCIDENT WITH THE APPLICATION OF CERTAIN OF SAID SIGNALS TO SAID MARKING MEANS, AND MEANS ACTUATED BY SAID TIMING MEANS TO APPLY A VOLTAGE PULSE OF OPPOSITE POLARITY TO SAID MARKING MEANS CONCIDENT WITH THE APPLICATION OF OTHERS OF SAID SIGNALS TO SAID MARKING MEANS, THEREBY FORMING INDEX MARKS IN ONE DIRECTION ON SAID RECORDING MEDIUM AT THE BEGINNING OF THE RECORDING PERIOD OF CERTAIN OF SAID SIGNALS AND FORMING INDEX MARKS IN THE OPPOSITE DIRECTION ON SAID RECORDING MEDIUM AT THE BEGINNING OF THE RECORDING PERIOD FOR SAID OTHER SIGNALS.
Claim 2
Dependent Claim
185 words
IN A RECORDER SYSTEM, IN COMBINATION, A RECORDER HAVING A RECORDING MEDIUM, MEANS FOR MARKING SAID MEDIUM RESPONSIVE TO AN INPUT SIGNAL, AND MEANS FOR EFFECTING RELATIVE MOVEMENT BETWEEN SAID MARKING MEANS AND SAID MEDIUM TO PROVIDE A RECORD OF THE VARIATION OF SAID INPUT SIGNAL WITH TIME, A SOURCE OF DIFFERENT INPUT SIGNALS, TIMING MEANS CONNECTING SAID SOURCE TO SAID MARKING MEANS TO SUCCESSIVELY APPLY SAID DIFFERENT SIGNALS TO SAID MARKING MEANS, MEANS ACTUATED AT A PREDETERMINED BY SAID TIMING MEANS TO APPLY A VOLTAGE PULSE OF ONE POLARITY TO SAID MARKING MEANS COINCIDENT WITH THE APPLICATION OF CERTAIN OF SAID SIGNALS TO SAID MARKING MEANS, AND MEANS ACTUATED BY SAID TIMING MEANS TO APPLY A VOLTAGE PULSE OF OPPOSITE POLARITY TO SAID MARKING MEANS CONCIDENT WITH THE APPLICATION OF OTHERS OF SAID SIGNALS TO SAID MARKING MEANS, THEREBY FORMING INDEX MARKS IN ONE DIRECTION ON SAID RECORDING MEDIUM AT THE BEGINNING OF THE RECORDING PERIOD OF CERTAIN OF SAID SIGNALS AND FORMING INDEX MARKS IN THE OPPOSITE DIRECTION ON SAID RECORDING MEDIUM AT THE BEGINNING OF THE RECORDING PERIOD FOR SAID OTHER SIGNALS.
References Cited (Backward Citations)
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US2355128A
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US2621298A
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US2721942A
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US2545162A
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US2694335A
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US2612608A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |