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Patent US2861287A successfully refreshed from Google Patents.
US2861287A
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Swivel dust mop holder
Assignee: GEORGE BUIK SR
•
Filing: 1953-08-27
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Granted: 1958-11-25
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Expires: 1973-08-27
Abstract
No abstract record available.
Inventors
- 👤 Richard T Scalf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:05
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/25; Y; Y10; Y10T; Y10T403/00; Y10T403/59
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US831259A
Cited
GB190707954A
Cited
CH47386A
Cited
US1389249A
Cited
US1406244A
Cited
US1797614A
Cited
US1741004A
Cited
FR1032247A
Cited
US2655413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |