Patent US2420732A successfully refreshed from Google Patents.
US2420732A
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US
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Portable hair drier
Assignee: Individual
•
Filing: 1945-08-03
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Granted: 1947-05-20
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Expires: 1965-08-03
Abstract
No abstract record available.
Inventors
- 👤 Bichsel Suzanne
- 👤 Isaaeson Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:49
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/04; A45D20/08; A45D20/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR633361A
Cited
GB323734A
Cited
US1869012A
Cited
US2014185A
Cited
US1883972A
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US2049812A
Cited
US1951269A
Cited
US2139001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |