Patent US938544A successfully refreshed from Google Patents.
US938544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe.
Assignee: Individual
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Filing: 1908-11-28
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Granted: 1909-11-02
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Expires: 1928-11-28
Abstract
No abstract record available.
Inventors
- 👤 William Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31565; A61M5/31576; A61M5/31583; A61M5/31586; A61M5/31501; A61M5/31505; A61M5/31578; A61M5/3158
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) | 1912-11-01 | 1913-05-03 | 1913-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-01 | 1917-05-03 | 1917-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-01 | 1921-05-03 | 1921-11-02 | $7700.00 | Window Closed / Lapsed |