US2915768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broom having mounting member for a detachable brush element
Assignee: Individual
•
Filing: 1956-11-19
•
Granted: 1959-12-08
•
Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:53
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254; A47L13/257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA487541A
Cited
US1318964A
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US1631133A
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US2735129A
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US956105A
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US1704564A
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FR723815A
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CH176872A
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US2224462A
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US2231234A
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US2491274A
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US2716769A
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US2856625A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |