US3307019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic analog trace averager
Assignee: United Gas Corp
•
Filing: 1963-09-19
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Granted: 1967-02-28
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Expires: 1983-09-19
Abstract
No abstract record available.
Inventors
- 👤 Tom A Woodard
- 👤 Thomas S Mcintosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:33
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/188
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A CHART TRACE VALUE AVERAGING APPARATUS INCLUDING MEANS FOR ADVANCING THE CHART ALONG THE COORDINATES REPRESENTING A FIRST CHART VARIABLE, MEANS RESPONSIVE TO THE RATE OF SAID ADVANCE FOR PROVIDING A FIRST VOLTAGE IN ACCORDANCE WITH SUCH RATE, MEANS FOR MODIFYING SAID FIRST VOLTAGE ACCORDING TO ANOTHER CHART COORDINATE WHICH IS PROPORTIONAL TO A TRACE VARIABLE, SAID MODIFIED VOLTAGE BEING CONTINUOUSLY REPRESENTATIVE OF SAID TRACE VARIABLE AT THE CONCURRENT VALUE OF SAID FIRST CHART VARIABLE, MEANS CONTINUOUSLY REPRESENTATIVE OF SAID FIRST CHART VARIABLE
References Cited (Backward Citations)
US2967749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |