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Patent US1213108A successfully refreshed from Google Patents.
US1213108A
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US
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Valve for radiators or the like.
Assignee: Individual
•
Filing: 1912-02-09
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Granted: 1917-01-16
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Expires: 1932-02-09
Abstract
No abstract record available.
Inventors
- 👤 Howard Keynton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:06
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/3087; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T137/7919
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) | 1920-01-16 | 1920-07-17 | 1921-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-01-16 | 1924-07-17 | 1925-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-01-16 | 1928-07-17 | 1929-01-16 | $7700.00 | Window Closed / Lapsed |