Patent US2724852A successfully refreshed from Google Patents.
US2724852A
Expired / Lapsed
US
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Mop stick clamp
Assignee: Individual
•
Filing: 1952-09-11
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Granted: 1955-11-29
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Expires: 1972-09-11
Abstract
No abstract record available.
Inventors
- 👤 Clark Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:42
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/42; A47L13/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1026625A
Cited
US1270353A
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US1339398A
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US1433445A
Cited
US1849147A
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US1968622A
Cited
US2065407A
Cited
US2584729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |