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US2631360A
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Method of repairing articles having a corrosion-resisting lining
Assignee: Pfaudler Inc
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Filing: 1946-06-20
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Granted: 1953-03-17
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Expires: 1966-06-20
Abstract
No abstract record available.
Inventors
- 👤 Elbert A Sanford
- 👤 Ernest F Holtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:06
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/1612; B; B23; B23P; B23P6/00; Y; Y10; Y10S; Y10S411/00; Y10S411/915; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49732; Y10T29/49734; Y10T29/49744; Y10T29/49826; Y10T29/49885; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191500279A
Cited
US1285210A
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US1636135A
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US2020767A
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GB534439A
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US2266611A
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US2266609A
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US2354533A
Cited
US2355474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |