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US2508563A
Expired / Lapsed
US
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Hair-waving pin
Assignee: Individual
•
Filing: 1946-10-18
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Granted: 1950-05-23
•
Expires: 1966-10-18
Abstract
No abstract record available.
Inventors
- 👤 John R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:31
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US206896A
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US472449A
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US1149444A
Cited
US1602640A
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US1586025A
Cited
FR772854A
Cited
FR787275A
Cited
US2060724A
Cited
US2149215A
Cited
US2203218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |