US2842140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair curlers
Assignee: CARONELLE Inc
•
Filing: 1954-09-16
•
Granted: 1958-07-08
•
Expires: 1974-09-16
Abstract
No abstract record available.
Inventors
- 👤 Otto Carl Louis
- 👤 Otto La Nelle Burnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:08
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/2457
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189502579A
Cited
US1429167A
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US1636457A
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US2061356A
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US2074816A
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FR820015A
Cited
US2156948A
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US2265492A
Cited
US2321709A
Cited
US2429176A
Cited
US2423420A
Cited
US2720206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |