Patent US4211597A successfully refreshed from Google Patents.
US1922941A
Expired / Lapsed
US
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Apparatus for the automatic administration of medication
Assignee: Individual
•
Filing: 1930-04-16
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Granted: 1933-08-15
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Expires: 1950-04-16
Abstract
No abstract record available.
Inventors
- 👤 Charles C Francis
- 👤 Edward J Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:32
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/14212; A61M5/14216; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148
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) | 1936-08-14 | 1937-02-13 | 1937-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-14 | 1941-02-13 | 1941-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-14 | 1945-02-13 | 1945-08-15 | $7700.00 | Window Closed / Lapsed |