Patent US473200A successfully refreshed from Google Patents.
US373322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
James f
Assignee: —
•
Filing: —
•
Granted: 1887-11-15
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Expires: 1904-11-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:35
CPC Classifications
F; F16; F16L; F16L3/00; Y; Y10; Y10S; Y10S383/00; Y10S383/901; Y10S425/00; Y10S425/813
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) | 1890-11-14 | 1891-05-16 | 1891-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1894-11-14 | 1895-05-16 | 1895-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1898-11-14 | 1899-05-16 | 1899-11-15 | $7700.00 | Window Closed / Lapsed |