US2619122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow regulator and float valve assembly
Assignee: Individual
•
Filing: 1947-02-20
•
Granted: 1952-11-25
•
Expires: 1967-02-20
Abstract
No abstract record available.
Inventors
- 👤 Rutherford H Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:58
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374; Y10T137/7439; Y10T137/7446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1032032A
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US1933852A
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US1923408A
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DE594783C
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US2041198A
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US2188366A
Cited
US2228552A
Cited
US2318236A
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US2588555A
Cited
US2506152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |