Patent US1713756A successfully refreshed from Google Patents.
US1713756A
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US
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Manually-operable head-massaging device
Assignee: Individual
•
Filing: 1926-08-09
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Granted: 1929-05-21
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Expires: 1946-08-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H Hassler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:19
CPC Classifications
A; A61; A61H; A61H7/00; A61H7/002; A61H2201/00; A61H2201/16; A61H2201/1683; A61H2201/169; A61H2201/1692; A61H2205/00; A61H2205/02; A61H2205/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-05-20 | 1932-11-19 | 1933-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-20 | 1936-11-19 | 1937-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-20 | 1940-11-19 | 1941-05-21 | $7700.00 | Window Closed / Lapsed |