US2720207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curler and applicator therefor
Assignee: Individual
•
Filing: 1955-02-28
•
Granted: 1955-10-11
•
Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Harry J Burtnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:13
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14; A45D2/20
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) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |