US776377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Standing valve for oil or artesian well pumps.
Assignee: Beers Brothers & Co
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Filing: 1903-12-11
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Granted: 1904-11-29
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Expires: 1923-12-11
Abstract
No abstract record available.
Inventors
- 👤 Walter S Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:27
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7914; Y10T137/794; Y10T137/8049
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) | 1907-11-29 | 1908-05-30 | 1908-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-11-29 | 1912-05-30 | 1912-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-11-29 | 1916-05-30 | 1916-11-29 | $7700.00 | Window Closed / Lapsed |