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US2238582A
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Hypodermic injection apparatus, and method of preparing for and making such injections
Assignee: FRANK C MCCRUM
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Filing: 1933-04-21
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Granted: 1941-04-15
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Expires: 1953-04-21
Abstract
No abstract record available.
Inventors
- 👤 Cloyd C Dickinson
- 👤 Clayton F B Stowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:08
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2448; Y; Y10; Y10S; Y10S29/00; Y10S29/034; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833
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) | 1944-04-14 | 1944-10-14 | 1945-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-14 | 1948-10-14 | 1949-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-14 | 1952-10-14 | 1953-04-15 | $7700.00 | Window Closed / Lapsed |