US3099918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient rotary drive fluid conduit
Assignee: DRILCO OIL TOOLS Inc
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Filing: 1961-08-09
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Granted: 1963-08-06
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Expires: 1981-08-09
Abstract
No abstract record available.
Inventors
- 👤 William R Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:41
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/07; E21B17/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A ROTARY DRIVE FLUID CONDUIT CONNECTION COMPRISING A PIPE, A RUBBER SLEEVE AROUND THE OUTSIDE OF THE PIPE, A TUBE AROUND THE OUTSIDE OF THE SLEEVE, SAID SLEEVE BEING BONDED TO SAID PIPE AND TUBE, SAID SLEEVE HAVING A PLURALITY OF AXIALLY EXTENDING HOLES THEREIN, A SEAL BETWEEN SAID PIPE AND TUBE, AND CLUTCH MEANS COMPRISING ANNULARLY DISPOSED TEETH AROUND SAID PIPE AND ANNULARLY DISPOSED TEETH AROUND SAID TUBE NORMALLY AXIALLY SPACED APART BUT ENGAGEABLE BY RELATIVE AXIAL MOTION OF PIPE AND TUBE AFTER FAILURE OF SAID RUBBER SLEEVE TO TRANSMIT TORSIONAL FORCES BETWEEN PIPE AND TUBE.
Claim 2
Dependent Claim
97 words
A ROTARY DRIVE FLUID CONDUIT CONNECTION COMPRISING A PIPE, A RUBBER SLEEVE AROUND THE OUTSIDE OF THE PIPE, A TUBE AROUND THE OUTSIDE OF THE SLEEVE, SAID SLEEVE BEING BONDED TO SAID PIPE AND TUBE, SAID SLEEVE HAVING A PLURALITY OF AXIALLY EXTENDING HOLES THEREIN, A SEAL BETWEEN SAID PIPE AND TUBE, AND CLUTCH MEANS COMPRISING ANNULARLY DISPOSED TEETH AROUND SAID PIPE AND ANNULARLY DISPOSED TEETH AROUND SAID TUBE NORMALLY AXIALLY SPACED APART BUT ENGAGEABLE BY RELATIVE AXIAL MOTION OF PIPE AND TUBE AFTER FAILURE OF SAID RUBBER SLEEVE TO TRANSMIT TORSIONAL FORCES BETWEEN PIPE AND TUBE.
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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |