Patent US471647A successfully refreshed from Google Patents.
US471647A
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US
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Combined syringe and speculum
Assignee: —
•
Filing: —
•
Granted: 1892-03-29
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Expires: 1909-03-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:27
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/303; A61B1/32; A61B17/00; A61B17/42; A61M; A61M25/00; A61M25/01; A61M25/02; A61M25/04; A61M3/00; A61M3/02; A61M3/0279; A61B2017/00982; A61B2017/00991; A61B2217/00; A61B2217/002; A61B2217/005; A61B2217/007; A61M2210/00; A61M2210/14; A61M2210/1475; A61M3/0283
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) | 1895-03-29 | 1895-09-28 | 1896-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-03-29 | 1899-09-28 | 1900-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-03-30 | 1903-09-29 | 1904-03-30 | $7700.00 | Window Closed / Lapsed |