US1476794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump cylinder and valves therefor
Assignee: ELLSWORTH S BRYANT
•
Filing: 1922-07-28
•
Granted: 1923-12-11
•
Expires: 1942-07-28
Abstract
No abstract record available.
Inventors
- 👤 Henry J Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:31
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/1073; F04B39/06; F04B39/064; F04B39/1086; F16; F16K; F16K15/00; F16K15/14; F16K15/1401; F16K15/1402; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/7859; Y10T137/7861
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1926-12-10 | 1927-06-11 | 1927-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-10 | 1931-06-11 | 1931-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-10 | 1935-06-11 | 1935-12-11 | $7700.00 | Window Closed / Lapsed |