US756869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: EZEQUIEL MATINEZ
•
Filing: 1903-07-06
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Granted: 1904-04-12
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Expires: 1923-07-06
Abstract
No abstract record available.
Inventors
- 👤 Albert K Mansfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:40
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F16K15/162; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7892
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) | 1907-04-12 | 1907-10-12 | 1908-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-04-12 | 1911-10-12 | 1912-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-04-12 | 1915-10-12 | 1916-04-12 | $7700.00 | Window Closed / Lapsed |