US2596026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mop demonstrator
Assignee: Individual
•
Filing: 1949-10-17
•
Granted: 1952-05-06
•
Expires: 1969-10-17
Abstract
No abstract record available.
Inventors
- 👤 Merriam J Howells
- 👤 Alden M Howells
- 👤 Le Roy J Soltau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:01
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/14; G; G09; G09F; G09F13/00; G09F13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666715A
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US727125A
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US1381856A
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US1538899A
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US1638406A
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US1722659A
Cited
US2013643A
Cited
US2008634A
Cited
US2306901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |