US2674231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power pack for massage suits
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1952-01-02
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Granted: 1954-04-06
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Expires: 1972-01-02
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:04
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H9/0078; Y; Y10; Y10S; Y10S60/00; Y10S60/916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1791013A
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US1608239A
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US1744885A
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US1831238A
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US2274603A
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US2282977A
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US2467509A
Cited
US2520455A
Cited
US2491402A
Cited
US2528843A
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US2499563A
Cited
US2618121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |