Patent US259682A successfully refreshed from Google Patents.
US259682A
Expired / Lapsed
US
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Air-vent for beer-kegs
Assignee: —
•
Filing: —
•
Granted: 1882-06-20
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Expires: 1899-06-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:50
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/24; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; Y; Y10; Y10S; Y10S215/00; Y10S215/902; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2557; Y10T137/7722; Y10T137/7837; Y10T137/7897
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) | 1885-06-19 | 1885-12-19 | 1886-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-06-19 | 1889-12-19 | 1890-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-06-19 | 1893-12-19 | 1894-06-20 | $7700.00 | Window Closed / Lapsed |