US3674631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial hair
Assignee: Revlon Inc
•
Filing: 1971-01-11
•
Granted: 1972-07-04
•
Expires: 1991-01-11
Abstract
Abstract ARTIFICIAL FIBERS FOR WIGS AND HAIRPIECES COMPRISING MIXTURES OF FIBERS OF DIFFERENT DENIER HAVE THE SOFT, NATURAL FEEL AND THE BULK, BODY AND APPEARANCE OF NATURAL HAIR.
Inventors
- 👤 Milton H Schwarz
- 👤 Marvin E Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:00
CPC Classifications
A; A41; A41G; A41G3/00; A41G3/0083
Claims Analysis
Total Claims: 0
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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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |