US2466026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressureproof gland
Assignee: Individual
•
Filing: 1944-08-12
•
Granted: 1949-04-05
•
Expires: 1964-08-12
Abstract
No abstract record available.
Inventors
- 👤 George K C Hardesty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:25
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/002; F16J15/006; B; B63; B63G; B63G8/00; B63G8/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US376129A
Cited
US1890573A
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US1835877A
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US1752757A
Cited
US2012049A
Cited
US2202351A
Cited
US2199215A
Cited
US2200413A
Cited
US2354478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |