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US868680A
Expired / Lapsed
US
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Valve for suction-pumps.
Assignee: Individual
•
Filing: 1906-07-25
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Granted: 1907-10-22
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Expires: 1926-07-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:25
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/163; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7846; Y10T137/794
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) | 1910-10-21 | 1911-04-22 | 1911-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-21 | 1915-04-22 | 1915-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-21 | 1919-04-22 | 1919-10-22 | $7700.00 | Window Closed / Lapsed |