Patent US3346058A successfully refreshed from Google Patents.
US3346058A
Expired / Lapsed
US
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Acoustic apparatus
Assignee: Hydroacoustics Inc
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Filing: 1964-05-29
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Granted: 1967-10-10
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Expires: 1984-05-29
Abstract
No abstract record available.
Inventors
- 👤 John V Bouyoucos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:51
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
APPARATUS FOR DRILLING A BORE HOLE IN AN EARTGH FORMATION WITH THE AID OF A SOURCE OF PRESSURIZED FLUID AND A DRILL BIT DISPOSED IN A BIT CAVITY AT THE BOTTOM OF SAID HOLE, SAID APPARATUS COMPRISING (A) AN ACOUSTIC VIBRATION GENERATOR COUPLED TO SAID SOURCE FOR DELIVERING FLUID TO AND SUBSTANTIALLY MODULATING THE PRESSURE OF THE FLUID AT SAID BIT CAVITY, SAID GENERATOR INCLUDING (I) A HOUSING HAVING PASSAGE MEANS FOR CONDUCTING THE FLOW OF FLUID FROM SAID SOURCE THROUGH SAID GENERATOR TO SAID BIT CAVITY AND FROM SAID BIT CAVITY THROUGH A RETURN CHANNEL FORMED BETWEEN SAID HOUSING AND SAID EARTH FORMATION, (II) A VALVE MECHANISM SUPPORTED IN SAID HOUSING AND INCLUDING A VALVE MEMBER DISPOSED ADJACENT A STATOR PORT AND ADAPTED TO MOVE IN RELATION TO SAID STATOR PORT BETWEEN AN OPEN FIRST POSITION AND A FLUID FLOW THROTTLING SECOND POSITION,
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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) | 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 |