US783610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-vent for beer-barrels.
Assignee: Individual
•
Filing: 1904-04-22
•
Granted: 1905-02-28
•
Expires: 1924-04-22
Abstract
No abstract record available.
Inventors
- 👤 Manley J Chaplin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:47
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/0801; B67D1/0802; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
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) | 1908-02-28 | 1908-08-29 | 1909-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-02-28 | 1912-08-29 | 1913-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-02-28 | 1916-08-29 | 1917-02-28 | $7700.00 | Window Closed / Lapsed |