US3236246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair spacing pin
Assignee: Individual
•
Filing: 1963-08-05
•
Granted: 1966-02-22
•
Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Culligan Rena Doris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:15
CPC Classifications
A; A45; A45D; A45D8/00; A45D8/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE159814C
Cited
US2465746A
Cited
US1016466A
Cited
US1415729A
Cited
US1596726A
Cited
US2536448A
Cited
US2510821A
Cited
GB686282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |