US3246128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chart reading device
Assignee: Individual
•
Filing: 1962-12-18
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Granted: 1966-04-12
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Harold W Albrecht
- 👤 Joseph D Mcmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:15
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06; G06F3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A LINE CHART READING DEVICE, COMPRISING A PLURALITY OF REGISTERS, A CONSTANT CURRENT POWER SUPPLY CONNECTED IN SERIES WITH SAID REGISTERS, A LINE SIGHTING DEVICE ADAPTED TO MOVE OVER SAID CHART TO FOLLOW A LINE THEREON, MEANS FOR VARYING THE NUMBER OF REGISTERS CONNECTED IN SERIES WITH SAID CONSTANT CURRENT POWER IN RESPONSE TO THE MOVEMENT OF SAID SIGHTING DEVICE ACROSS SAID CHART, MEANS FOR MOVING SAID CHART PAST SAID SIGHTING DEVICE, AND MEANS RESPONSIVE TO SAID CHART MOVING MEANS FOR INTERRUPTING SAID SERIES CIRCUIT TO THEREBY SUPPLY PULSES TO SAID REGISTERS TO STEP THE REGISTERS.
Claim 2
Dependent Claim
96 words
A LINE CHART READING DEVICE, COMPRISING A PLURALITY OF REGISTERS, A CONSTANT CURRENT POWER SUPPLY CONNECTED IN SERIES WITH SAID REGISTERS, A LINE SIGHTING DEVICE ADAPTED TO MOVE OVER SAID CHART TO FOLLOW A LINE THEREON, MEANS FOR VARYING THE NUMBER OF REGISTERS CONNECTED IN SERIES WITH SAID CONSTANT CURRENT POWER IN RESPONSE TO THE MOVEMENT OF SAID SIGHTING DEVICE ACROSS SAID CHART, MEANS FOR MOVING SAID CHART PAST SAID SIGHTING DEVICE, AND MEANS RESPONSIVE TO SAID CHART MOVING MEANS FOR INTERRUPTING SAID SERIES CIRCUIT TO THEREBY SUPPLY PULSES TO SAID REGISTERS TO STEP THE REGISTERS.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |