US2203480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickling and cleaning device for strips of sheet metal
Assignee: Goodman Manufacturing Co LP
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Filing: 1937-05-13
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Granted: 1940-06-04
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Expires: 1957-05-13
Abstract
No abstract record available.
Inventors
- 👤 Frank J Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
C; C23; C23G; C23G3/00; C23G3/02; C23G3/023
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) | 1943-06-04 | 1943-12-04 | 1944-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-04 | 1947-12-04 | 1948-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-04 | 1951-12-04 | 1952-06-04 | $7700.00 | Window Closed / Lapsed |