Patent US3177467A successfully refreshed from Google Patents.
US3177467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic velocity logging system and computer
Assignee: Dresser Industries Inc
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Filing: 1961-02-08
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Granted: 1965-04-06
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Expires: 1981-02-08
Abstract
No abstract record available.
Inventors
- 👤 Adrian P Brokaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:41
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/44; G01V1/48; H; H04; H04B; H04B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A COMPUTER IN AN ACOUSTIC WELL LOGGING SYSTEM FOR DISCRIMINATING BETWEEN VALID SIGNAL INFORMATION REPRESENTED AS THE TIME INTERVAL BETWEEN AN ACCEPTED PAIR OF PULSES AND INVALID SIGNAL INFORMATION REPRESENTED AS THE TIME INTERVAL BETWEEN AN UNACCEPTED PAIR OF PULSES, SAID COMPUTER COMPRISING STORAGE MEANS FOR STORING THE INFORMATION REPRESENTING THE TIME INTERVAL BETWEEN AN ACCEPTED PAIR OF PULSES, ACCEPTANCE MEANS CONNECTED TO SAID STORAGE MEANS FOR ACCEPTING A SUBSEQUENT PAIR OF PULSES WHEN THE TIME INTERVAL THEREBETWEEN IS WITHIN A PREDETERMINED RANGE OF THE TIME INTERVAL REPRESENTED BY THE INFORMATION STORED IN SAID STORAGE MEANS, SUBSTITUTING MEANS CONNECTED TO SAID ACCEPTANCE MEANS AND SAID STORAGE MEANS FOR SUBSTITUTING THE INFORMATION REPRESENTING THE TIME INTERVAL BETWEEN AN ACCEPTED SUBSEQUENT PAIR FOR THE INFORMATION PREVIOUSLY STORED IN SAID STORAGE MEANS.
Claim 2
Dependent Claim
129 words
A COMPUTER IN AN ACOUSTIC WELL LOGGING SYSTEM FOR DISCRIMINATING BETWEEN VALID SIGNAL INFORMATION REPRESENTED AS THE TIME INTERVAL BETWEEN AN ACCEPTED PAIR OF PULSES AND INVALID SIGNAL INFORMATION REPRESENTED AS THE TIME INTERVAL BETWEEN AN UNACCEPTED PAIR OF PULSES, SAID COMPUTER COMPRISING STORAGE MEANS FOR STORING THE INFORMATION REPRESENTING THE TIME INTERVAL BETWEEN AN ACCEPTED PAIR OF PULSES, ACCEPTANCE MEANS CONNECTED TO SAID STORAGE MEANS FOR ACCEPTING A SUBSEQUENT PAIR OF PULSES WHEN THE TIME INTERVAL THEREBETWEEN IS WITHIN A PREDETERMINED RANGE OF THE TIME INTERVAL REPRESENTED BY THE INFORMATION STORED IN SAID STORAGE MEANS, SUBSTITUTING MEANS CONNECTED TO SAID ACCEPTANCE MEANS AND SAID STORAGE MEANS FOR SUBSTITUTING THE INFORMATION REPRESENTING THE TIME INTERVAL BETWEEN AN ACCEPTED SUBSEQUENT PAIR FOR THE INFORMATION PREVIOUSLY STORED IN SAID STORAGE MEANS.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |