Patent US427929A successfully refreshed from Google Patents.
US427929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
stowe
Assignee: —
•
Filing: —
•
Granted: 1890-05-13
•
Expires: 1907-05-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/10; B; B32; B32B; B32B1/00; B32B1/08; B32B5/00; B32B5/02; B32B5/024; B32B5/026; B32B5/06; B32B5/22; B32B5/24; B32B5/26; D; D03; D03D; D03D11/00; D04; D04B; D04B21/00; D04B21/20; D04B21/205; D04B39/00; D04B39/06; F16L11/02; B32B2597/00; D10; D10B; D10B2403/00; D10B2403/02; D10B2403/024; D10B2403/0241; D10B2403/02412
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) | 1893-05-12 | 1893-11-11 | 1894-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-05-12 | 1897-11-11 | 1898-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-05-13 | 1901-11-12 | 1902-05-14 | $7700.00 | Window Closed / Lapsed |