Patent US3534392A successfully refreshed from Google Patents.
US3534392A
Expired / Lapsed
US
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Electrical curling tongs
Assignee: Calor SAS
•
Filing: 1968-04-02
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Granted: 1970-10-13
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Expires: 1988-04-02
Abstract
No abstract record available.
Inventors
- 👤 Maurice Marie Achill Trouilhet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:56
CPC Classifications
A; A45; A45D; A45D1/00; A45D1/20; A45D1/02; A45D1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397159A
Cited
US1325022A
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US1210018A
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GB119094A
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US1630078A
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US1679756A
Cited
GB364899A
Cited
US2394973A
Cited
US2648757A
Cited
US3293528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |