US1890524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug cock and means for turning same
Assignee: WALWORTH PATENTS Inc
•
Filing: 1924-04-19
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Granted: 1932-12-13
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Expires: 1944-04-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Jesse C Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:27
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/528; F16K31/5284; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4393; Y10T137/44; Y10T137/4414; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312
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) | 1935-12-13 | 1936-06-13 | 1936-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-13 | 1940-06-13 | 1940-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-13 | 1944-06-13 | 1944-12-13 | $7700.00 | Window Closed / Lapsed |