US2696446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preventing handling roll damage to freshly galvanized pipe
Assignee: Clifton Conduit Co Inc
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Filing: 1950-10-05
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Granted: 1954-12-07
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Expires: 1970-10-05
Abstract
No abstract record available.
Inventors
- 👤 William S Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:51
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN A METHOD OF GALVANIZING PIPE WHEREIN PIPE HAVING A ZINC COATING IN A FLUENT CONDITION THEREON IS HANDLED BY A CONVEYOR ROLL, THE IMPROVEMENT WHICH COMPRISES, SPRAYING CONTINUOUS SURFACE PORTIONS OF SAID ROLL WITH A CARBONIZABLE FLUID MATERIAL AND HEATING THE ROLL SUFFICIENTLY TO CARBONIZE THE SAID MATERIAL PRIOR TO ENGAGING SAID PIPE BY SAID CONTINUOUS SURFACE PORTIONS OF SAID ROLL SUCCESSIVELY.
Claim 2
Dependent Claim
63 words
IN A METHOD OF GALVANIZING PIPE WHEREIN PIPE HAVING A ZINC COATING IN A FLUENT CONDITION THEREON IS HANDLED BY A CONVEYOR ROLL, THE IMPROVEMENT WHICH COMPRISES, SPRAYING CONTINUOUS SURFACE PORTIONS OF SAID ROLL WITH A CARBONIZABLE FLUID MATERIAL AND HEATING THE ROLL SUFFICIENTLY TO CARBONIZE THE SAID MATERIAL PRIOR TO ENGAGING SAID PIPE BY SAID CONTINUOUS SURFACE PORTIONS OF SAID ROLL SUCCESSIVELY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |