Patent US2310294A successfully refreshed from Google Patents.
US449651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-therapeutic syringe
Assignee: —
•
Filing: —
•
Granted: 1891-03-31
•
Expires: 1908-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/20; A61N1/30; A61N1/303; A61N1/306; A61M; A61M25/00; A61M25/10; A61M2025/1043; A61M2025/105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1894-03-30 | 1894-09-29 | 1895-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-03-30 | 1898-09-29 | 1899-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-03-31 | 1902-09-30 | 1903-04-01 | $7700.00 | Window Closed / Lapsed |