US1894032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for permanently waving hair
Assignee: ZOTOS Corp
•
Filing: 1932-09-21
•
Granted: 1933-01-10
•
Expires: 1952-09-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
A; A45; A45D; A45D7/00; A45D7/06; A45D7/065; C; C09; C09K; C09K5/00; C09K5/16; A61; A61K; A61K2800/00; A61K2800/20; A61K2800/24; A61K2800/242
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-01-10 | 1936-07-11 | 1937-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-10 | 1940-07-11 | 1941-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-10 | 1944-07-11 | 1945-01-10 | $7700.00 | Window Closed / Lapsed |