US3140499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning hair brushes
Assignee: Individual
•
Filing: 1962-12-14
•
Granted: 1964-07-14
•
Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Bois Jean P Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:54
CPC Classifications
A; A46; A46B; A46B17/00; A46B17/06; A46B5/00; A46B7/00; A46B9/00; A46B9/02; A46B9/023; A46B2200/00; A46B2200/10; A46B2200/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US601405A
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DE376627C
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CA484601A
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GB189717156A
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US930678A
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US1063279A
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US1375755A
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US1957363A
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US2783490A
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US2794201A
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US2845649A
Cited
US2988765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |