Patent US5346954A successfully refreshed from Google Patents.
US1102197A
Expired / Lapsed
US
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Water-cooled valve or damper.
Assignee: Knox Pressed & Welded Steel Co
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Filing: 1913-04-19
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Granted: 1914-06-30
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Expires: 1933-04-19
Abstract
No abstract record available.
Inventors
- 👤 Luther L Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:56
CPC Classifications
F; F16; F16K; F16K49/00; F16K49/005; F16K49/007; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579
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) | 1917-06-29 | 1917-12-29 | 1918-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-06-29 | 1921-12-29 | 1922-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-06-29 | 1925-12-29 | 1926-06-30 | $7700.00 | Window Closed / Lapsed |