US1935494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plunger for hypodermic syringes and the like
Assignee: Individual
•
Filing: 1930-03-20
•
Granted: 1933-11-14
•
Expires: 1950-03-20
Abstract
No abstract record available.
Inventors
- 👤 Herman O West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:23
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31511; A61M5/31515; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798; Y10T29/49995; Y10T29/49996; Y10T82/00; Y10T82/10
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) | 1936-11-13 | 1937-05-15 | 1937-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-13 | 1941-05-15 | 1941-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-13 | 1945-05-15 | 1945-11-14 | $7700.00 | Window Closed / Lapsed |