US3388709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expendible hair curler
Assignee: RUTH DAVIS MORRIS
•
Filing: 1965-04-02
•
Granted: 1968-06-18
•
Expires: 1985-04-02
Abstract
No abstract record available.
Inventors
- 👤 Morris Ruth Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:05
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14; A45D2/146; A45D2/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732845A
Cited
US2608978A
Cited
US2677380A
Cited
US2695620A
Cited
US2838053A
Cited
US3143117A
Cited
US3150693A
Cited
US3316117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |