Patent US1172833A successfully refreshed from Google Patents.
US1172833A
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US
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Valve.
Assignee: Individual
•
Filing: 1914-04-03
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Granted: 1916-02-22
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Expires: 1934-04-03
Abstract
No abstract record available.
Inventors
- 👤 Harry E Ricker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:37
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/048; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879; Y10T137/86895
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) | 1919-02-21 | 1919-08-23 | 1920-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-02-21 | 1923-08-23 | 1924-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-02-21 | 1927-08-23 | 1928-02-22 | $7700.00 | Window Closed / Lapsed |