US2623362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve fitting for liquefied gas systems
Assignee: AO Smith Corp
•
Filing: 1948-07-19
•
Granted: 1952-12-30
•
Expires: 1968-07-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Zerbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:34
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/04; F17C13/002; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8342
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1129837A
Cited
US2131270A
Cited
US2186924A
Cited
US2216917A
Cited
US2386554A
Cited
US2478760A
Cited
US2449119A
Cited
US2449352A
Cited
US2513181A
Cited
US2512024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |