US3345832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary driving mechanism
Assignee: Individual
•
Filing: 1965-08-20
•
Granted: 1967-10-10
•
Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Clifford C Bottoms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:49
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A WELL TOOL HAVING A PERCUSSION SUB COMPRISING: AN OUTER BARREL, ADAPTED TO BE ROTATED, HAVING A PLURALITY OF CIRCUMFERENTIALLY DISTRIBUTED SUBSTANTIALLY AXIAL CHANNELS POSITIONED IN A REGION OF THE INNER SURFACE THEREOF, ADAPTED TO RECEIVE ROLLING MEANS; AN INNER BARREL, INCLUDING A PERCUSSION SUB AND A DRIVER SUB, HAVING A PLURALITY OF SUBSTANTIALLY AXIAL CHANNELS, EQUAL IN NUMBER TO THE ABOVE SAID CHANNELS AND IN REGISTER WITH THE ABOVE SAID CHANNELS, UPON THE OUTER SURFACE OF A PORTION OF SAID INNER BARREL; A PLURALITY OF ROLLINGS MEANS, POSITIONED IN SAID TWO SETS OF CHANNELS TO TRANSMIT TORQUE FROM SAID OUTER BARREL TO SAID INNER BARREL TO ROTATE SAID INNER BARREL WHILE ALLOWING RELATIVE AXIAL TRANSLATION BETWEEN SAID BARRELS;
Claim 2
Dependent Claim
119 words
A WELL TOOL HAVING A PERCUSSION SUB COMPRISING: AN OUTER BARREL, ADAPTED TO BE ROTATED, HAVING A PLURALITY OF CIRCUMFERENTIALLY DISTRIBUTED SUBSTANTIALLY AXIAL CHANNELS POSITIONED IN A REGION OF THE INNER SURFACE THEREOF, ADAPTED TO RECEIVE ROLLING MEANS; AN INNER BARREL, INCLUDING A PERCUSSION SUB AND A DRIVER SUB, HAVING A PLURALITY OF SUBSTANTIALLY AXIAL CHANNELS, EQUAL IN NUMBER TO THE ABOVE SAID CHANNELS AND IN REGISTER WITH THE ABOVE SAID CHANNELS, UPON THE OUTER SURFACE OF A PORTION OF SAID INNER BARREL; A PLURALITY OF ROLLINGS MEANS, POSITIONED IN SAID TWO SETS OF CHANNELS TO TRANSMIT TORQUE FROM SAID OUTER BARREL TO SAID INNER BARREL TO ROTATE SAID INNER BARREL WHILE ALLOWING RELATIVE AXIAL TRANSLATION BETWEEN SAID BARRELS;
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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 |