Patent US2451652A successfully refreshed from Google Patents.
US2451652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shampoo board
Assignee: Individual
•
Filing: 1948-03-02
•
Granted: 1948-10-19
•
Expires: 1968-03-02
Abstract
No abstract record available.
Inventors
- 👤 Jacob L Bazelon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:56
CPC Classifications
A; A45; A45D; A45D19/00; A45D19/06; A45D19/08; A45D19/10; E; E03; E03C; E03C1/00; E03C1/12; E03C1/18; E03C1/186
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2172589A
Cited
US748081A
Cited
US792498A
Cited
US906410A
Cited
US1197657A
Cited
US1588293A
Cited
US1791348A
Cited
DE525585C
Cited
US2013823A
Cited
US2161590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |