US3157286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill rod storage and handling means
Assignee: Ingersoll Rand Co
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Filing: 1963-03-20
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Granted: 1964-11-17
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Gyongyosi Laszlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:47
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/14; E21B19/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A DRILL PIPE STORING AND HANDLING DEVICE COMPRISING: (A) A SWINGABLE SUPPORT; (B) A RACK FOR CARRYING A PLURALITY OF DRILL PIPES MOUNTED ON SAID SUPPORT TO ROTATE ABOUT THE AXIS OF SAID RACK INDEPENDENTLY OF SWINGING OF SAID SUPPORT; (C) LOCKING MEANS MOUNTED ON SAID RACK AND ACTUABLE BY THE WEIGHT OF A DRILL PIPE WHEN SAID DRILL PIPE IS CARRIED BY SAID RACK TO LOCK SAID DRILL PIPE IN SAID RACK; (D) MEANS FOR ROTATING SAID RACK ABOUT ITS AXIS; AND
Claim 2
Dependent Claim
83 words
A DRILL PIPE STORING AND HANDLING DEVICE COMPRISING: (A) A SWINGABLE SUPPORT; (B) A RACK FOR CARRYING A PLURALITY OF DRILL PIPES MOUNTED ON SAID SUPPORT TO ROTATE ABOUT THE AXIS OF SAID RACK INDEPENDENTLY OF SWINGING OF SAID SUPPORT; (C) LOCKING MEANS MOUNTED ON SAID RACK AND ACTUABLE BY THE WEIGHT OF A DRILL PIPE WHEN SAID DRILL PIPE IS CARRIED BY SAID RACK TO LOCK SAID DRILL PIPE IN SAID RACK; (D) MEANS FOR ROTATING SAID RACK ABOUT ITS AXIS; AND
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |