US1980144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve construction
Assignee: BALL RITE VALVE Co
•
Filing: 1933-02-09
•
Granted: 1934-11-06
•
Expires: 1953-02-09
Abstract
No abstract record available.
Inventors
- 👤 Salvatore U Siena
- 👤 Benjamin M Arth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:24
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/14; Y; Y10; Y10S; Y10S137/00; Y10S137/901; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7462; Y10T137/7465; Y10T137/7472; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/87265; Y10T137/87539; Y10T137/87547; Y10T137/87917; Y10T137/87981; Y10T137/88046
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) | 1937-11-05 | 1938-05-07 | 1938-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-05 | 1942-05-07 | 1942-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-05 | 1946-05-07 | 1946-11-06 | $7700.00 | Window Closed / Lapsed |