US3448957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wig block support
Assignee: MASTER APPLIANCES Inc
•
Filing: 1967-05-31
•
Granted: 1969-06-10
•
Expires: 1987-05-31
Abstract
No abstract record available.
Inventors
- 👤 Morris Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:51
CPC Classifications
A; A45; A45D; A45D44/00; A45D44/14; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32131; Y10T403/32155; Y10T403/32196; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32803
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1268096A
Cited
US1780383A
Cited
US1785518A
Cited
US1934223A
Cited
US3198408A
Cited
US3288415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |