Patent US3519792A successfully refreshed from Google Patents.
US3519792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated hair curler
Assignee: Individual
•
Filing: 1967-07-26
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Granted: 1970-07-07
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Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Nathan L Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:02
CPC Classifications
A; A45; A45D; A45D4/00; A45D4/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588193A
Cited
US1941439A
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US1901892A
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US2140311A
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US2060102A
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US2558441A
Cited
US2932716A
Cited
US3257541A
Cited
US3283122A
Cited
US3250895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |