US2641790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum hair removal system for barber shops
Assignee: Individual
•
Filing: 1949-07-01
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Granted: 1953-06-16
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Expires: 1969-07-01
Abstract
No abstract record available.
Inventors
- 👤 Russell A Coult
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:49
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/38; A47L9/00; A47L9/0009; A47L9/0063; B26; B26B; B26B19/00; B26B19/38; B26B19/44; B65H2701/00; B65H2701/30; B65H2701/33; Y; Y10; Y10S; Y10S55/00; Y10S55/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |