US2525981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curler
Assignee: Individual
•
Filing: 1949-06-10
•
Granted: 1950-10-17
•
Expires: 1969-06-10
Abstract
No abstract record available.
Inventors
- 👤 Webster Doris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:08
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US731861A
Cited
US1009923A
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US1459228A
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AT128113B
Cited
US2061817A
Cited
FR833628A
Cited
FR863629A
Cited
US2242549A
Cited
US2302480A
Cited
US2374291A
Cited
US2406376A
Cited
US2497714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |