Patent US2016867A successfully refreshed from Google Patents.
US2016867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve controlling means fob liquid
Assignee: —
•
Filing: —
•
Granted: 1935-10-08
•
Expires: 1952-10-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:52
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/04; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/22; B67D7/0401; B67D2007/0444; B67D2007/0446; B67D2007/0448; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3006; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/3074; Y10T137/7287; Y10T137/7313; Y10T137/7323
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) | 1938-10-07 | 1939-04-08 | 1939-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-07 | 1943-04-08 | 1943-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-07 | 1947-04-08 | 1947-10-08 | $7700.00 | Window Closed / Lapsed |