US3143221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe car
Assignee: Individual
•
Filing: 1963-08-29
•
Granted: 1964-08-04
•
Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Billy J Blackmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:50
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/14; E21B19/15; E21B19/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A CAR FOR LAYING DOWN PIPE FROM A DERRICK, SAID CAR INCLUDING (A) WHEELS ON THE CAR POSITIONED TO RUN ON A TRACK, (B) A V-SHAPED BODY PIVOTED TO THE CAR, (C) STRUT MEANS FOR SUPPORTING THE V-SHAPED BODY IN AN UPRIGHT POSITION, AND (D) A LATCH MOUNTED IN THE CAR FOR RETAINING THE STRUT MEANS IN A SUPPORTING POSITION; THE IMPROVEMENT COMPRISING IN COMBINATION: (E) A COVER PARTLY OVER THE OPEN SIDE OF THE V-SHAPED BODY (F) SAID COVER MOUNTED FOR MOVEMENT ALONG SAID VSHAPED BODY, AND (G) MEANS ATTACHED TO THE BODY FOR MOVING SAID COVER, (H) SAID MEANS FOR MOVING SAID COVER RESPONSIVE TO THE LATCH; SO ARRANGED AND CONSTRUCTED THAT THE COVER IS EFFECTIVE TO HOLD PIPE IN THE V-SHAPED BODY UNTIL THE LATCH MOVES WHICH IN TURN MOVES THE COVER TO RELEASE THE PIPE IN THE V-SHAPED BODY AND RELEASES THE STRUT PERMITTING THE V-SHAPED BODY TO MOVE FROM THE UPRIGHT POSITION.
Claim 2
Dependent Claim
158 words
IN A CAR FOR LAYING DOWN PIPE FROM A DERRICK, SAID CAR INCLUDING (A) WHEELS ON THE CAR POSITIONED TO RUN ON A TRACK, (B) A V-SHAPED BODY PIVOTED TO THE CAR, (C) STRUT MEANS FOR SUPPORTING THE V-SHAPED BODY IN AN UPRIGHT POSITION, AND (D) A LATCH MOUNTED IN THE CAR FOR RETAINING THE STRUT MEANS IN A SUPPORTING POSITION; THE IMPROVEMENT COMPRISING IN COMBINATION: (E) A COVER PARTLY OVER THE OPEN SIDE OF THE V-SHAPED BODY (F) SAID COVER MOUNTED FOR MOVEMENT ALONG SAID VSHAPED BODY, AND (G) MEANS ATTACHED TO THE BODY FOR MOVING SAID COVER, (H) SAID MEANS FOR MOVING SAID COVER RESPONSIVE TO THE LATCH; SO ARRANGED AND CONSTRUCTED THAT THE COVER IS EFFECTIVE TO HOLD PIPE IN THE V-SHAPED BODY UNTIL THE LATCH MOVES WHICH IN TURN MOVES THE COVER TO RELEASE THE PIPE IN THE V-SHAPED BODY AND RELEASES THE STRUT PERMITTING THE V-SHAPED BODY TO MOVE FROM THE UPRIGHT POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |