Patent US378572A successfully refreshed from Google Patents.
US378572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stove-block
Assignee: —
•
Filing: —
•
Granted: 1888-02-28
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Expires: 1905-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:46
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; B25; B25B; B25B1/00; B25B1/22; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/931; Y10S411/94
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) | 1891-02-27 | 1891-08-29 | 1892-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-02-27 | 1895-08-29 | 1896-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-02-27 | 1899-08-29 | 1900-02-28 | $7700.00 | Window Closed / Lapsed |