Patent US4947144A successfully refreshed from Google Patents.
Patent US334079A successfully refreshed from Google Patents.
US334079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
William b
Assignee: —
•
Filing: —
•
Granted: 1886-01-12
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Expires: 1903-01-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:59
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/073; F04B43/0736; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/06; F16K15/063; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7923; Y10T137/7925
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) | 1889-01-11 | 1889-07-13 | 1890-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-01-11 | 1893-07-13 | 1894-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-01-11 | 1897-07-13 | 1898-01-12 | $7700.00 | Window Closed / Lapsed |