Patent US2337058A successfully refreshed from Google Patents.
US2337058A
Expired / Lapsed
US
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Method of dismantling and rebuilding steel tanks
Assignee: Welding Service Inc
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Filing: 1940-02-09
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Granted: 1943-12-21
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Expires: 1960-02-09
Abstract
No abstract record available.
Inventors
- 👤 Chester W Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:48
CPC Classifications
E; E04; E04H; E04H7/00; E04H7/02; E04H7/04; E04H7/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49716; Y10T29/49718; Y10T29/49721; Y10T29/49826; Y10T29/49895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-12-20 | 1947-06-21 | 1947-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-20 | 1951-06-21 | 1951-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-20 | 1955-06-21 | 1955-12-21 | $7700.00 | Window Closed / Lapsed |