Patent US2991790A successfully refreshed from Google Patents.
US2991790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cold waving hair and product therefor
Assignee: Individual
•
Filing: 1958-05-28
•
Granted: 1961-07-11
•
Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Bonilla Antonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:11
CPC Classifications
A; A45; A45D; A45D7/00; A45D7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2041641A
Cited
US2624347A
Cited
US2688972A
Cited
US2839066A
Cited
US2832357A
Cited
US2794440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |