US2428526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anticorrosion tank
Assignee: McGraw Electric Co
•
Filing: 1945-01-29
•
Granted: 1947-10-07
•
Expires: 1965-01-29
Abstract
No abstract record available.
Inventors
- 👤 Clark M Osterheld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:30
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/18; F24H1/181; F24H1/183; Y; Y10; Y10S; Y10S220/00; Y10S220/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381085A
Cited
US1615585A
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US2105552A
Cited
US1958765A
Cited
AU74736A
Cited
US2263021A
Cited
US2280135A
Cited
US2346714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |