Patent US3084752A successfully refreshed from Google Patents.
US3084752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill bit tool for well drilling
Assignee: Individual
•
Filing: 1959-12-22
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Granted: 1963-04-09
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Expires: 1979-12-22
Abstract
No abstract record available.
Inventors
- 👤 Tiraspolsky Wladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:19
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/02; E21B10/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A TOOL OF THE DRILL BIT TYPE THROUGH WHICH A LIQUID FLOWS FOR ACHIEVING FULL DIAMETER BORING OF THE GROUND COMPRISING A TUBULAR BODY HAVING A CENTRAL AXIS AND A FRONT END, MEANS DEFINED ON SAID BODY FOR ATTACHING SAID BODY TO A TUBULAR SUPPORT, WINGS CAPPING SAID FRONT END OF THE TUBULAR BODY AND RADIALLY EXTENDING WITHIN SAID BODY AND TERMINATING AT A DISTANCE SPACED FROM ITS CENTRAL AXIS HAVING RADIALLY DISPOSED LANDS WITHIN SAID BODY, A PASSAGEWAY DEFINED CENTRALLY WITHIN SAID BODY BY SAID WINGS RECEIVING A CORE WHEN THE TOOL IS FORWARDLY FED, CIRCULATION CHANNELS DEFINED BETWEEN ADJACENT WINGS AND SAID
Claim 2
Dependent Claim
104 words
A TOOL OF THE DRILL BIT TYPE THROUGH WHICH A LIQUID FLOWS FOR ACHIEVING FULL DIAMETER BORING OF THE GROUND COMPRISING A TUBULAR BODY HAVING A CENTRAL AXIS AND A FRONT END, MEANS DEFINED ON SAID BODY FOR ATTACHING SAID BODY TO A TUBULAR SUPPORT, WINGS CAPPING SAID FRONT END OF THE TUBULAR BODY AND RADIALLY EXTENDING WITHIN SAID BODY AND TERMINATING AT A DISTANCE SPACED FROM ITS CENTRAL AXIS HAVING RADIALLY DISPOSED LANDS WITHIN SAID BODY, A PASSAGEWAY DEFINED CENTRALLY WITHIN SAID BODY BY SAID WINGS RECEIVING A CORE WHEN THE TOOL IS FORWARDLY FED, CIRCULATION CHANNELS DEFINED BETWEEN ADJACENT WINGS AND SAID
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |