US2831649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pallet valves
Assignee: Wurlitzer Co
•
Filing: 1950-04-17
•
Granted: 1958-04-22
•
Expires: 1970-04-17
Abstract
No abstract record available.
Inventors
- 👤 Lamar E Hayslett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:16
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/877; Y10T137/87708; Y10T137/87772
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1311830A
Cited
US1724924A
Cited
US1736684A
Cited
US1765958A
Cited
US2190381A
Cited
US1958640A
Cited
US2061920A
Cited
US2089332A
Cited
DE695555C
Cited
US2207572A
Cited
US2375100A
Cited
US2392411A
Cited
US2493885A
Cited
US2498807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |