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US2584760A
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US
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Apparatus for waving hair
Assignee: Individual
•
Filing: 1949-09-24
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Granted: 1952-02-05
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Expires: 1969-09-24
Abstract
No abstract record available.
Inventors
- 👤 James A Swenson
- 👤 William E Burns
- 👤 Richard H Stead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:43
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR686668A
Cited
FR38490E
Cited
US2073815A
Cited
US2132500A
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US2157244A
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US2232776A
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US2218082A
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US2243173A
Cited
US2295892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |