Patent US2504142A successfully refreshed from Google Patents.
US2504142A
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US
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Facial invigorating mask
Assignee: Individual
•
Filing: 1947-06-26
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Granted: 1950-04-18
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Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 Mingea John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:25
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F2007/0001; A61F2007/0002; A61F2007/0003; A61F2007/0054; Y; Y10; Y10S; Y10S165/00; Y10S165/044; Y10S165/045
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) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |