US223396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent-valve for barrels
Assignee: —
•
Filing: —
•
Granted: 1880-01-06
•
Expires: 1897-01-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:53
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/0801; B67D1/0802; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/6851; Y10T137/7039; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/7884; Y10T137/7897; Y10T137/8593; Y10T137/86236; Y10T137/86252; Y10T137/86292; Y10T137/86324; Y10T137/86348
Claims Analysis
Total Claims: 0
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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) | 1883-01-05 | 1883-07-07 | 1884-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-01-05 | 1887-07-07 | 1888-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-01-05 | 1891-07-07 | 1892-01-06 | $7700.00 | Window Closed / Lapsed |