Patent US6283983B1 successfully refreshed from Google Patents.
Patent US2907852A successfully refreshed from Google Patents.
Patent US3346065A successfully refreshed from Google Patents.
US3346065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurement apparatus for studying the physical properties of a medium
Assignee: Individual
•
Filing: 1965-10-04
•
Granted: 1967-10-10
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 Bourquard Fernand Euge Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:10
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N29/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A MEASUREMENT APPARATUS WHICH COMPRISES, IN COMBINATION: AN ACOUSTICALLY INSULATED SAMPLE FORMING A MEASUREMENT ACOUSTIC RESONATOR, AN ACOUSTIC TRANSMITTER DEVICE, MEANS FOR CONTROLLING THE FREQUENCY OF THE WAVES SUPPLIED BY SAID TRANSMITTER DEVICE, MEANS FOR CONNECTING SAID ACOUSTIC TRANSMITTER DEVICE WITH ONE PART OF SAID MEASUREMENT RESONATOR, AN ACOUSTIC RECEIVER DEVICE, MEANS FOR CONNECTING SAID ACOUSTIC RECEIVER DEVICE WITH ANOTHER PART OF SAID MEASUREMENT RESONATOR, AT LEAST ONE OF SAID DEVICES COMPRISING A RESONATOR, THE MEANS FOR CONNECTING SAID LAST MENTIONED RESONATOR WITH SAID MEASUREMENT RESONATOR CONSISTING OF WEAK COUPLING MEANS BETWEEN SAID TWO RESONATORS, AND MEANS FOR READING THE STRENGTH OF THE SIGNALS RECEIVED BY SAID ACOUSTIC RECEIVER.
Claim 2
Dependent Claim
109 words
A MEASUREMENT APPARATUS WHICH COMPRISES, IN COMBINATION: AN ACOUSTICALLY INSULATED SAMPLE FORMING A MEASUREMENT ACOUSTIC RESONATOR, AN ACOUSTIC TRANSMITTER DEVICE, MEANS FOR CONTROLLING THE FREQUENCY OF THE WAVES SUPPLIED BY SAID TRANSMITTER DEVICE, MEANS FOR CONNECTING SAID ACOUSTIC TRANSMITTER DEVICE WITH ONE PART OF SAID MEASUREMENT RESONATOR, AN ACOUSTIC RECEIVER DEVICE, MEANS FOR CONNECTING SAID ACOUSTIC RECEIVER DEVICE WITH ANOTHER PART OF SAID MEASUREMENT RESONATOR, AT LEAST ONE OF SAID DEVICES COMPRISING A RESONATOR, THE MEANS FOR CONNECTING SAID LAST MENTIONED RESONATOR WITH SAID MEASUREMENT RESONATOR CONSISTING OF WEAK COUPLING MEANS BETWEEN SAID TWO RESONATORS, AND MEANS FOR READING THE STRENGTH OF THE SIGNALS RECEIVED BY SAID ACOUSTIC RECEIVER.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |