US995057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic suction by-pass for pumps.
Assignee: COWLES-MACDOWELL ENGINEERING Co
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Filing: 1910-04-18
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Granted: 1911-06-13
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Expires: 1930-04-18
Abstract
No abstract record available.
Inventors
- 👤 Irving Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:16
CPC Classifications
F; F04; F04B; F04B49/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2577; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7786
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) | 1914-06-12 | 1914-12-12 | 1915-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-06-12 | 1918-12-12 | 1919-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-06-12 | 1922-12-12 | 1923-06-13 | $7700.00 | Window Closed / Lapsed |