US2542450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Haircutting apparatus
Assignee: Individual
•
Filing: 1947-10-27
•
Granted: 1951-02-20
•
Expires: 1967-10-27
Abstract
No abstract record available.
Inventors
- 👤 Jacob A Altman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:22
CPC Classifications
A; A45; A45D; A45D24/00; A45D24/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR560041A
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US1532570A
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US1567011A
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US1589037A
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FR654477A
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US2089486A
Cited
US2018304A
Cited
US2264343A
Cited
US2250796A
Cited
US2325246A
Cited
US2347587A
Cited
US2481403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |