Patent US1545979A successfully refreshed from Google Patents.
US1545979A
Expired / Lapsed
US
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Chemical-solution tank for use in cleaning metal parts
Assignee: LAVO Co OF AMERICA
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Filing: 1923-12-14
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Granted: 1925-07-14
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Expires: 1943-12-14
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:49
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/02; C; C23; C23G; C23G3/00
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) | 1928-07-13 | 1929-01-12 | 1929-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-13 | 1933-01-12 | 1933-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-13 | 1937-01-12 | 1937-07-14 | $7700.00 | Window Closed / Lapsed |