Patent US924596A successfully refreshed from Google Patents.
US924596A
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Appliance for relief of headache.
Assignee: PETER V BLASHFIELD
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Filing: 1906-07-18
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Granted: 1909-06-08
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Expires: 1926-07-18
Abstract
No abstract record available.
Inventors
- 👤 James M Blashfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:42
CPC Classifications
A; A61; A61H; A61H39/00; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1604; A61H2201/1607; A61H2201/165; A61H2201/1657; A61H2201/168; A61H2205/00; A61H2205/02; A61H2205/022; A61H2205/025; A61H2205/028
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) | 1912-06-07 | 1912-12-07 | 1913-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-06-07 | 1916-12-07 | 1917-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-06-07 | 1920-12-07 | 1921-06-08 | $7700.00 | Window Closed / Lapsed |