Patent US742290A successfully refreshed from Google Patents.
US742290A
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US
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Automatic pressure-actuated governor for steam engines or pumps.
Assignee: Individual
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Filing: 1902-07-14
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Granted: 1903-10-27
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Expires: 1922-07-14
Abstract
No abstract record available.
Inventors
- 👤 James H Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:33
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/24; F16K17/28; F16K17/30; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7785; Y10T137/7793; Y10T137/7805; Y10T137/7822
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) | 1906-10-26 | 1907-04-27 | 1907-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-10-26 | 1911-04-27 | 1911-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-10-26 | 1915-04-27 | 1915-10-27 | $7700.00 | Window Closed / Lapsed |