Patent US20070073233A1 successfully refreshed from Google Patents.
US1302538A
Expired / Lapsed
US
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Ball-cock, otherwise known as float-valve.
Assignee: Individual
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Filing: 1918-01-28
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Granted: 1919-05-06
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Expires: 1938-01-28
Abstract
No abstract record available.
Inventors
- 👤 David E Gulick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
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; Y10T137/7439; Y10T137/7465; Y10T137/7472
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) | 1922-05-05 | 1922-11-04 | 1923-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-05-05 | 1926-11-04 | 1927-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-05-05 | 1930-11-04 | 1931-05-06 | $7700.00 | Window Closed / Lapsed |