US611040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venting device for closed vessels
Assignee: —
•
Filing: —
•
Granted: 1898-09-20
•
Expires: 1915-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/08; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791
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) | 1901-09-20 | 1902-03-22 | 1902-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-09-20 | 1906-03-22 | 1906-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-09-20 | 1910-03-22 | 1910-09-21 | $7700.00 | Window Closed / Lapsed |