Patent US2670250A successfully refreshed from Google Patents.
US2670250A
Expired / Lapsed
US
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Connector for brooms, brushes, mops, and the like
Assignee: Individual
•
Filing: 1949-10-04
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Granted: 1954-02-23
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Expires: 1969-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenn George Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:39
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/36; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/10; F16B7/00; F16B7/04; F16B7/044; F16B7/048; Y; Y10; Y10T; Y10T403/00; Y10T403/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1692110A
Cited
US1625266A
Cited
US1684379A
Cited
GB311180A
Cited
US2109837A
Cited
GB490152A
Cited
US2286387A
Cited
US2610902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |