US3227419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe pushing mechanism having a floating gripper
Assignee: Individual
•
Filing: 1964-06-01
•
Granted: 1966-01-04
•
Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Lackey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/04; E21B7/046
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
A CONDUIT INSTALLING APPARATUS, COMPRISING AN ELONGATED BED HAVING A BASE AND TRACK MEMBERS POSITIONED LONGITUDINALLY ON SAID BASE, A PIPE PUSHING MECHANISM MOUNTED FOR RECIPROCATING MOVEMENT ON SAID BED AND HAVING A FRAME, A PIPE GRIPPING MECHANISM, MEANS FOR MOUNTING SAID PIPE GRIPPING MECHANISM ON SAID FRAME FOR AT LEAST SLIGHT MOVEMENT IN ALL DIRECTIONS, SAID PIPE GRIPPING MECHANISM HAVING A BASE WITH JAWS THEREON AND AN UPRIGHT CONNECTED TO SAID LAST MENTIONED BASE AND HAVING VERTICALLY MOVABLE JAWS THEREON, A CARRIER FOR SAID VERTICALLY MOVABLE JAWS MOUNTED ON SAID UPRIGHT, AND A HYDRAULIC CYLINDER AND PISTON MEANS SECURED TO SAID UPRIGHT FOR MOVING SAID VERTICALLY MOVABLE JAWS, AND A POWER MEANS FOR RECIPROCATING SAID PIPE PUSHING MECHANISM ON SAID TRACK MEMBERS.
References Cited (Backward Citations)
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Cited
US2889135A
Cited
US2935298A
Cited
GB903311A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |