Patent US4037532A successfully refreshed from Google Patents.
Patent US276170A successfully refreshed from Google Patents.
US276170A
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US
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Assignee: —
•
Filing: —
•
Granted: 1883-04-24
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Expires: 1900-04-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:52
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F01; F01L; F01L1/00; F01L1/32; F16K2200/00; F16K2200/20; F16K2200/204; Y; Y10; Y10T; Y10T137/00; Y10T137/6198; Y10T137/6253; Y10T137/6307; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/785; Y10T137/7852; Y10T137/7853; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7914
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) | 1886-04-23 | 1886-10-23 | 1887-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-04-23 | 1890-10-23 | 1891-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-04-23 | 1894-10-23 | 1895-04-24 | $7700.00 | Window Closed / Lapsed |