US2687728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination of several solutions for the hypodermic injection
Assignee: Individual
•
Filing: 1951-04-25
•
Granted: 1954-08-31
•
Expires: 1971-04-25
Abstract
No abstract record available.
Inventors
- 👤 Copen Simon Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:28
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2448; A61M5/31; A61M5/32; A61M5/329; A61M5/3291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1529659A
Cited
US1705763A
Cited
US2009393A
Cited
US2362165A
Cited
US2549417A
Cited
US2591706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |