Patent US1509146A successfully refreshed from Google Patents.
US1509146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank-discharge-valve mechanism
Assignee: ACF Industries Inc
•
Filing: 1921-01-05
•
Granted: 1924-09-23
•
Expires: 1941-01-05
Abstract
No abstract record available.
Inventors
- 👤 Hochberg Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:26
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/07; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336
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) | 1927-09-23 | 1928-03-24 | 1928-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-23 | 1932-03-24 | 1932-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-23 | 1936-03-24 | 1936-09-23 | $7700.00 | Window Closed / Lapsed |