Patent US2038581A successfully refreshed from Google Patents.
Patent US2948284A successfully refreshed from Google Patents.
US2948284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Home permanent hair waving devices
Assignee: Individual
•
Filing: 1959-04-16
•
Granted: 1960-08-09
•
Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Zakarin David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:07
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)
US336761A
Cited
US1738916A
Cited
US1978243A
Cited
US2096247A
Cited
US2145539A
Cited
US2667289A
Cited
US2774095A
Cited
US2856918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |