US3299459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline cleaning apparatus
Assignee: Schlumberger Technology Corp
•
Filing: 1964-06-15
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Granted: 1967-01-24
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 James D Mccune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:48
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
APPARATUS FOR USE IN ABRASIVE CLEANING OF A PIPELINE COMPRISING: PIPE SECTIONS FOR PERMANENT INSTALLATION IN A PIPELINE AT SPACED POSITIONS, FIRST LATERIAL ACCESS MEANS IN ONE OF THE PIPE SECTIONS, MEANS RELEASIBLY CONNECTIBLE WITH SAID FIRST ACCESS MEANS AND INSERTABLE INTO SAID PIPELINE FOR INJECTING A PARTICULATE ABRASIVE MATERIAL AND FLUID CARRIER INTO SAID ONE PIPE SECTION,
Claim 2
Dependent Claim
58 words
APPARATUS FOR USE IN ABRASIVE CLEANING OF A PIPELINE COMPRISING: PIPE SECTIONS FOR PERMANENT INSTALLATION IN A PIPELINE AT SPACED POSITIONS, FIRST LATERIAL ACCESS MEANS IN ONE OF THE PIPE SECTIONS, MEANS RELEASIBLY CONNECTIBLE WITH SAID FIRST ACCESS MEANS AND INSERTABLE INTO SAID PIPELINE FOR INJECTING A PARTICULATE ABRASIVE MATERIAL AND FLUID CARRIER INTO SAID ONE PIPE SECTION,
References Cited (Backward Citations)
US914824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |