Patent US3304945A successfully refreshed from Google Patents.
US3304945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair treatment cap for selectively treating locks of hair
Assignee: Individual
•
Filing: 1964-03-12
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Granted: 1967-02-21
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Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 George W Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:24
CPC Classifications
A; A45; A45D; A45D19/00; A45D19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2125622A
Cited
GB507232A
Cited
US2618274A
Cited
US2714891A
Cited
US2818074A
Cited
US2957480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |