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US3149900A
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US
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Multiple graph recorder-annunciator
Assignee: KEINATH INSTRUMENT CO
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Filing: 1961-09-22
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Granted: 1964-09-22
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Expires: 1981-09-22
Abstract
No abstract record available.
Inventors
- 👤 William E Van Horne
- 👤 Glenroy W Barnett
- 👤 Goddard Marion Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:02
CPC Classifications
G; G07; G07C; G07C3/00; G07C3/08; G07C3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A SWEEP-BALANCE RECORDER COMPRISING: A CHART HELD IN A FIXED POSITION DURING RECORDING, CONTAINING INDICIA THEREON DEFINING A PLURALITY OF GRAPHS; MARKING MEANS INCLUDING A PRINT BAR SUBSTANTIALLY PARALLEL TO SAID CHART, HAVING MOUNTED THEREON AT LEAST ONE PRINTING MEANS; MEANS FOR MOVING EACH SAID PRINTING MEANS ALONG SAID PRINT BAR ACROSS AT LEAST A SUBSTANTIAL PORTION OF THE WIDTH OF A GRAPH; MEANS FOR MOVING SAID PRINT BAR IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO THE MOVEMENT OF EACH SAID PRINTING MEANS OVER AT LEAST A SUBSTANTIAL PORTION OF THE AREA OCCUPIED BY SAID GRAPHS; A MEASURING CIRCUIT INCLUDING AT LEAST ONE VOLTAGE SOURCE AND AT LEAST ONE VOLTAGE DIVIDER CIRCUIT HAVING A MOVABLE MEMBER THEREOF PROVIDING AN OUTPUT THAT VARIES WITH THE POSITION OF SAID MOVABLE MEMBER; MEANS FOR MOVING SAID MOVABLE MEMBER
Claim 2
Dependent Claim
134 words
A SWEEP-BALANCE RECORDER COMPRISING: A CHART HELD IN A FIXED POSITION DURING RECORDING, CONTAINING INDICIA THEREON DEFINING A PLURALITY OF GRAPHS; MARKING MEANS INCLUDING A PRINT BAR SUBSTANTIALLY PARALLEL TO SAID CHART, HAVING MOUNTED THEREON AT LEAST ONE PRINTING MEANS; MEANS FOR MOVING EACH SAID PRINTING MEANS ALONG SAID PRINT BAR ACROSS AT LEAST A SUBSTANTIAL PORTION OF THE WIDTH OF A GRAPH; MEANS FOR MOVING SAID PRINT BAR IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO THE MOVEMENT OF EACH SAID PRINTING MEANS OVER AT LEAST A SUBSTANTIAL PORTION OF THE AREA OCCUPIED BY SAID GRAPHS; A MEASURING CIRCUIT INCLUDING AT LEAST ONE VOLTAGE SOURCE AND AT LEAST ONE VOLTAGE DIVIDER CIRCUIT HAVING A MOVABLE MEMBER THEREOF PROVIDING AN OUTPUT THAT VARIES WITH THE POSITION OF SAID MOVABLE MEMBER; MEANS FOR MOVING SAID MOVABLE MEMBER
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |