Patent US3267969A successfully refreshed from Google Patents.
US3267969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reenforced weighted pipe
Assignee: Individual
•
Filing: 1964-08-17
•
Granted: 1966-08-23
•
Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 James B Mallard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:35
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/14; F16L9/153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PIPELINE HAVING ADDITIONAL WEIGHT PER RUNNING FOOT ADDED THERETO BY THE APPLICATION OF A REENFORCED WIEGHTING MATERIAL OUTWARDLY OF THE PIPE PERIPHERY, SAID PIPELINE COMPRISING A LENGTH OF METALLIC PIPE WITH OUTER SURFACE COVERED WITH AN INSULATIVE, CORROSION RESISTANT COATING, REENFORCING MEANS FOR SAID WEIGHTING MATERIAL SPACED OUTWARDLY OF THE PIPE OUTER SURFACE AND FORM SPACER MEANS THUS SPACING THE REENFORCING MEANS AND IN TURN POSITIONED BY SAID REENFORCING MEANS UPON THE PIPE AND EXTENDING RADIALLY OUTWARDLY BEYOND SAID REENFORCING MEANS, AND WEIGHTING MATERING OF SUBSTANTIALLY HIGH SPECIFIC GRAVITY CONCENTRIC ABOUT THE PIPE AND INCLUDING SAID REENFORCING MEANS THEREIN AND SAID SPACER MEANS THEREIN TO THE HEIGHT OF SAID SPACER MEANS.
Claim 2
Dependent Claim
112 words
A PIPELINE HAVING ADDITIONAL WEIGHT PER RUNNING FOOT ADDED THERETO BY THE APPLICATION OF A REENFORCED WIEGHTING MATERIAL OUTWARDLY OF THE PIPE PERIPHERY, SAID PIPELINE COMPRISING A LENGTH OF METALLIC PIPE WITH OUTER SURFACE COVERED WITH AN INSULATIVE, CORROSION RESISTANT COATING, REENFORCING MEANS FOR SAID WEIGHTING MATERIAL SPACED OUTWARDLY OF THE PIPE OUTER SURFACE AND FORM SPACER MEANS THUS SPACING THE REENFORCING MEANS AND IN TURN POSITIONED BY SAID REENFORCING MEANS UPON THE PIPE AND EXTENDING RADIALLY OUTWARDLY BEYOND SAID REENFORCING MEANS, AND WEIGHTING MATERING OF SUBSTANTIALLY HIGH SPECIFIC GRAVITY CONCENTRIC ABOUT THE PIPE AND INCLUDING SAID REENFORCING MEANS THEREIN AND SAID SPACER MEANS THEREIN TO THE HEIGHT OF SAID SPACER MEANS.
References Cited (Backward Citations)
US1501850A
Cited
US2373439A
Cited
US2477930A
Cited
US2518981A
Cited
US2662552A
Cited
US2791019A
Cited
US2857648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |