Patent US1791101A successfully refreshed from Google Patents.
US1791101A
Expired / Lapsed
US
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Apparatus for cleansing metal sheets
Assignee: Individual
•
Filing: 1928-01-24
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Granted: 1931-02-03
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Expires: 1948-01-24
Abstract
No abstract record available.
Inventors
- 👤 Charles H Manion
- 👤 Charles W Kinter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:16
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/022
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) | 1934-02-02 | 1934-08-04 | 1935-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-02 | 1938-08-04 | 1939-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-02 | 1942-08-04 | 1943-02-03 | $7700.00 | Window Closed / Lapsed |