US3457913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the massage and treatment of the scalp
Assignee: Individual
•
Filing: 1966-09-29
•
Granted: 1969-07-29
•
Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Franz Xaver Schopfel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:34
CPC Classifications
A; A61; A61H; A61H9/00; A61H9/005; A61H9/0078; A61H23/00; A61H23/04; A61H35/00; A61H35/008; A61H7/00; A61H7/006; A61H2205/00; A61H2205/02; A61H2205/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US809360A
Cited
US2103949A
Cited
US2856918A
Cited
US2914066A
Cited
US3044473A
Cited
US3177868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |