Patent US926787A successfully refreshed from Google Patents.
US926787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure reducing and noiseless valve for flush-tanks.
Assignee: Individual
•
Filing: 1909-03-06
•
Granted: 1909-07-06
•
Expires: 1929-03-06
Abstract
No abstract record available.
Inventors
- 👤 Alpheus G Virkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:48
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7446; Y10T137/7462; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/8593; Y10T137/87917
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) | 1912-07-05 | 1913-01-04 | 1913-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-07-05 | 1917-01-04 | 1917-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-07-05 | 1921-01-04 | 1921-07-06 | $7700.00 | Window Closed / Lapsed |