US2579204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curler
Assignee: TIP TOP PRODUCTS CO
•
Filing: 1947-10-31
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Granted: 1951-12-18
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Expires: 1967-10-31
Abstract
No abstract record available.
Inventors
- 👤 Carl W Renstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:44
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)
US461977A
Cited
DE515063C
Cited
CH19767A
Cited
US732543A
Cited
FR354537A
Cited
GB247021A
Cited
US2429176A
Cited
US2461170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |