Patent US2498004A successfully refreshed from Google Patents.
US2498004A
Expired / Lapsed
US
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Operator's chair for barbers or dentists
Assignee: Individual
•
Filing: 1946-04-26
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Granted: 1950-02-21
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Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 John A Pullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:59
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/04; A47C1/08; A47C1/06; A61; A61G; A61G15/00; A61G15/02; A61G15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375954A
Cited
US689964A
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US879154A
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US1419312A
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US1361323A
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US1759922A
Cited
US2025436A
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US2293144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |