Patent US2693805A successfully refreshed from Google Patents.
US2693805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for administering therapeutic agents
Assignee: Individual
•
Filing: 1949-11-26
•
Granted: 1954-11-09
•
Expires: 1969-11-26
Abstract
No abstract record available.
Inventors
- 👤 George V Taplin
- 👤 Frederick A Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:42
CPC Classifications
A; A61; A61M; A61M15/00; A61M2202/00; A61M2202/06; A61M2202/062; A61M2202/064
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US197601A
Cited
GB189416855A
Cited
US766867A
Cited
GB191215864A
Cited
US1929154A
Cited
US2501279A
Cited
US2478715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |