US2416788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair drying helmet with flexible inner wall
Assignee: Individual
•
Filing: 1943-07-23
•
Granted: 1947-03-04
•
Expires: 1963-07-23
Abstract
No abstract record available.
Inventors
- 👤 Alvadore M Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/22; A45D20/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1720302A
Cited
US1720301A
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US2037695A
Cited
US2008864A
Cited
US2074270A
Cited
US2221822A
Cited
US2246767A
Cited
US2329352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |