US2510376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning brush with improved disk feature
Assignee: Individual
•
Filing: 1948-08-03
•
Granted: 1950-06-06
•
Expires: 1968-08-03
Abstract
No abstract record available.
Inventors
- 👤 Orson G Burch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:12
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/08; A46B9/12; A46B13/00; A46B13/02; A46B17/00; A46B17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US422117A
Cited
US818086A
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US853582A
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US1185855A
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US1264290A
Cited
US1444416A
Cited
US2272419A
Cited
US2472572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |