Patent US2516491A successfully refreshed from Google Patents.
US2516491A
Expired / Lapsed
US
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Massage and shampoo device
Assignee: Individual
•
Filing: 1945-10-08
•
Granted: 1950-07-25
•
Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 Henry A Swastek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:59
CPC Classifications
A; A61; A61H; A61H7/00; A61H7/002; A61H7/003; A61H2201/00; A61H2201/10; A61H2201/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1649052A
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US904650A
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US1397611A
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US1475101A
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US1694636A
Cited
US1987390A
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US2039278A
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FR826761A
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US2117174A
Cited
US2206726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |