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US2699771A
Expired / Lapsed
US
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Apparatus for the treatment of the skin
Assignee: Individual
•
Filing: 1950-08-03
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Granted: 1955-01-18
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Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Ruttger-Pelli Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:12
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/06; A61N5/0613; A61N5/0616; A61N5/0617; A61H; A61H7/00; A61H7/002; A61H7/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US847872A
Cited
US1268573A
Cited
US1728080A
Cited
US1955863A
Cited
GB438392A
Cited
US2183726A
Cited
US2436969A
Cited
CH283245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |