US2869571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball cock
Assignee: Hoover Universal Inc
•
Filing: 1957-01-02
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Granted: 1959-01-20
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Expires: 1977-01-02
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Price
- 👤 William L Rupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:21
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |