US3335801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cementing vibrator
Assignee: Individual
•
Filing: 1964-12-18
•
Granted: 1967-08-15
•
Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Wilsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:44
CPC Classifications
E; E21; E21B; E21B28/00; E21B33/00; E21B33/10; E21B33/13; E21B33/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A WELL PIPE VIBRATING APPARATUS, COMPRISING: A SUBSTANTIALLY CYLINDRICAL ECCENTRIC BODY CLOSELY RECEIVED WITHIN A WELL PIPE, SAID BODY HAVING A FLUID COURSE THERETHROUGH; A FRAME COMPRISING A PLURALITY OF SUPPORTING LEGS; A BEARING INTERCONNECTING SAID LEGS AND SUPPORTING SAID BODY; AND A FLUID GUIDE PIVOTALLY CONNECTED COAXIALLY WITH THE END OF SAID BODY OPPOSITE SAID FRAME AND SEALING WITH
Claim 2
Dependent Claim
60 words
A WELL PIPE VIBRATING APPARATUS, COMPRISING: A SUBSTANTIALLY CYLINDRICAL ECCENTRIC BODY CLOSELY RECEIVED WITHIN A WELL PIPE, SAID BODY HAVING A FLUID COURSE THERETHROUGH; A FRAME COMPRISING A PLURALITY OF SUPPORTING LEGS; A BEARING INTERCONNECTING SAID LEGS AND SUPPORTING SAID BODY; AND A FLUID GUIDE PIVOTALLY CONNECTED COAXIALLY WITH THE END OF SAID BODY OPPOSITE SAID FRAME AND SEALING WITH
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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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |