US2666940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush
Assignee: Individual
•
Filing: 1949-04-13
•
Granted: 1954-01-26
•
Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 Roy W Davison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:53
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/002; A46B11/0024; A46B11/0027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US968186A
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GB278204A
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US1891324A
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US1902859A
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US1873669A
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US1946867A
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US1936724A
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GB400831A
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US1953296A
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US2310756A
Cited
US2369380A
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US2366942A
Cited
US2521928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |