US2452262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid seal for inserts
Assignee: Individual
•
Filing: 1944-12-18
•
Granted: 1948-10-26
•
Expires: 1964-12-18
Abstract
No abstract record available.
Inventors
- 👤 Rosan Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:08
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/104; F16J15/106; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US408320A
Cited
US879604A
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GB116236A
Cited
US1616996A
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US1708736A
Cited
US1643034A
Cited
US1701816A
Cited
GB385732A
Cited
DE665046C
Cited
US2118648A
Cited
US2370944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |