Patent US580700A successfully refreshed from Google Patents.
US580700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Henry mcevoy
Assignee: —
•
Filing: —
•
Granted: 1897-04-13
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Expires: 1914-04-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:35
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/763; G; G05; G05D; G05D11/00; G05D11/006; Y; Y10; Y10S; Y10S137/00; Y10S137/901; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/2931; Y10T137/2937; Y10T137/2947; Y10T137/2965; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4493; Y10T137/4516; Y10T137/4621; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7462; Y10T137/7481; Y10T137/7722; Y10T137/7837; Y10T137/7898
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) | 1900-04-13 | 1900-10-13 | 1901-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-04-13 | 1904-10-13 | 1905-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-04-13 | 1908-10-13 | 1909-04-14 | $7700.00 | Window Closed / Lapsed |