US1350040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Individual
•
Filing: 1918-08-12
•
Granted: 1920-08-17
•
Expires: 1938-08-12
Abstract
No abstract record available.
Inventors
- 👤 Shackleford Alfred Edward
- 👤 Franklin Gustave Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:13
CPC Classifications
F; F16; F16K; F16K43/00; F16K43/001; F16K43/003; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87121; Y10T137/87129; Y10T137/87137; 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) | 1923-08-17 | 1924-02-16 | 1924-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-08-17 | 1928-02-16 | 1928-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-08-17 | 1932-02-16 | 1932-08-17 | $7700.00 | Window Closed / Lapsed |