US2749920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair setting device
Assignee: —
•
Filing: —
•
Granted: 1956-06-12
•
Expires: 1973-06-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:22
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/36; A45D2/365; Y; Y10; Y10S; Y10S63/00; Y10S63/02; Y10S63/03; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44376; Y10T24/44385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22660E
Cited
US1624449A
Cited
US1894032A
Cited
US2111558A
Cited
US2145045A
Cited
US2154637A
Cited
US2150598A
Cited
US2239410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |