US2734832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
lewis
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:05
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/06; B05B13/0645; B05B13/0663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A METHOD OF INTERNALLY COATING A PIPE SECTION OF UNUSAL LENGTH FOR FLOW OF PETROLEUM PRODUCTS THERETHROUGH BY USE OF A COATING BOOM HAVING A SPRAY HEAD ON THE OUTER END THEREOF AND CONSISTING OF SUSPENDING THE BOOM IN AN ESSENTIALLY HORIZONTAL POSITION AT A PLURALITY OF RELEASABLY LONGITUDINALLY SPACED SUPPORTING POSISTIONS, TELESCOPING THE PIPE OVER THE SPRAY HEAD AND BOOM, SIMULTANEOUSLY RELEASING THE SUSPENDED BOOM PROGRESSIVELY AS THE PIPE PASSES THE SPACED SUPPORTING POSITIONS DURING THE TELESCOPING OPERATION, SUPPLYING THE SPRAY HEAD WITH COATING MATERIAL THROUGH THE BOOM, SPRAYING THE COATING MATERIAL ONTO THE INNER WALLS OF THE PIPE WHILE MOVING THE PIPE OFF OF THE BOOM, SIMULTANEOUSLY
Claim 2
Dependent Claim
110 words
IN A METHOD OF INTERNALLY COATING A PIPE SECTION OF UNUSAL LENGTH FOR FLOW OF PETROLEUM PRODUCTS THERETHROUGH BY USE OF A COATING BOOM HAVING A SPRAY HEAD ON THE OUTER END THEREOF AND CONSISTING OF SUSPENDING THE BOOM IN AN ESSENTIALLY HORIZONTAL POSITION AT A PLURALITY OF RELEASABLY LONGITUDINALLY SPACED SUPPORTING POSISTIONS, TELESCOPING THE PIPE OVER THE SPRAY HEAD AND BOOM, SIMULTANEOUSLY RELEASING THE SUSPENDED BOOM PROGRESSIVELY AS THE PIPE PASSES THE SPACED SUPPORTING POSITIONS DURING THE TELESCOPING OPERATION, SUPPLYING THE SPRAY HEAD WITH COATING MATERIAL THROUGH THE BOOM, SPRAYING THE COATING MATERIAL ONTO THE INNER WALLS OF THE PIPE WHILE MOVING THE PIPE OFF OF THE BOOM, SIMULTANEOUSLY
References Cited (Backward Citations)
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Cited
US1936247A
Cited
US2044078A
Cited
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Cited
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Cited
US2411250A
Cited
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Cited
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Cited
US2470796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |