US2606846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing excess galvanizing metal from conduit or the like
Assignee: Clifton Conduit Co Inc
•
Filing: 1948-05-21
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Granted: 1952-08-12
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Expires: 1968-05-21
Abstract
No abstract record available.
Inventors
- 👤 William S Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:58
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/14; C23C2/16; C23C2/18; C23C2/185
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
IN A METHOD OF REMOVING EXCESS MOLTEN GALVANIZING METAL FROM TUBULAR FRESHLY INTERNALLY AND EXTERNALLY GALVANIZED ARTICLES, THE STEPS OF BLOWING THE EXCESS MOLTEN GALVANIZING MATERIAL FROM THE EXTERNAL SURFACE OF THE ARTICLE PROGRESSIVELY FROM ONE END TO THE OPPOSITE END OF THE ARTICLE, AND WHILE UNINTERRUPTEDLY CONTINUING THE EXTERNAL BLOWING AT SAID OPPOSITE END SENDING A HIGH PRESSURE INTERNAL SWABBING FLUID BLAST INTO SAID ONE END FOR BLOWING THE INTERIOR OF THE ARTICLE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |