Patent US2773692A successfully refreshed from Google Patents.
US2773692A
Expired / Lapsed
US
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Brush carrying device
Assignee: Individual
•
Filing: 1950-05-13
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Granted: 1956-12-11
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Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Dunnavan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:59
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/58; G11B3/5809; G11B3/5818; G11B3/5827; G11B3/5836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US832249A
Cited
FR434153A
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US1202428A
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US1249720A
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US1435645A
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US1442680A
Cited
US1472857A
Cited
US2320572A
Cited
US2259275A
Cited
US2294660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |