US2508563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair-waving pin
Assignee: Individual
•
Filing: 1946-10-18
•
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 00:04
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US206896A
Cited
US472449A
Cited
US1149444A
Cited
US1602640A
Cited
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 |