US3175221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic logging method
Assignee: Individual
•
Filing: 1963-03-26
•
Granted: 1965-03-23
•
Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hammett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:54
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/28; G01D9/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN IMPROVED METHOD OF CHART RECORDING A PLURALITY OF DIFFERENT PARAMETERS REPRESENTED BY SEPARATE SIGNALS COMPRISING THE STEPS OF PERIODICALLY ENGAGING A STYLUS OF A GALVANOMETER WITH A MOVING TAPE TO FORM SUCCESSIVE DOTS ON THE TAPE, SEQUENTIALLY ENERGIZING SAID GALVANOMETER WITH SAID SEPARATE SIGNALS TO DEFLECT THE GALVANOMETER STYLUS IN PROPORTION TO THE SIGNAL AMPLITUDES, ENERGIZING THE GALVANOMETER WITH DIFFERENT SIGNALS IN PREDETERMINED ORDER IN WHICH EACH PARAMETER SIGNAL IS REPEATED DIFFERENTLY FROM THE OTHERS, AND REPEATING THE ORDER OF GALVANOMETER ENERGIZATION FOR PRODUCING A CHARACTERISTIC PATTERN OF DOTS ON THE TAPE FOR EACH PARAMETER.
Claim 2
Dependent Claim
96 words
AN IMPROVED METHOD OF CHART RECORDING A PLURALITY OF DIFFERENT PARAMETERS REPRESENTED BY SEPARATE SIGNALS COMPRISING THE STEPS OF PERIODICALLY ENGAGING A STYLUS OF A GALVANOMETER WITH A MOVING TAPE TO FORM SUCCESSIVE DOTS ON THE TAPE, SEQUENTIALLY ENERGIZING SAID GALVANOMETER WITH SAID SEPARATE SIGNALS TO DEFLECT THE GALVANOMETER STYLUS IN PROPORTION TO THE SIGNAL AMPLITUDES, ENERGIZING THE GALVANOMETER WITH DIFFERENT SIGNALS IN PREDETERMINED ORDER IN WHICH EACH PARAMETER SIGNAL IS REPEATED DIFFERENTLY FROM THE OTHERS, AND REPEATING THE ORDER OF GALVANOMETER ENERGIZATION FOR PRODUCING A CHARACTERISTIC PATTERN OF DOTS ON THE TAPE FOR EACH PARAMETER.
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |