US2598886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge type seal
Assignee: Individual
•
Filing: 1949-06-09
•
Granted: 1952-06-03
•
Expires: 1969-06-09
Abstract
No abstract record available.
Inventors
- 👤 Brummer Olin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:07
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2395953A
Cited
US2426047A
Cited
US2432694A
Cited
US2497704A
Cited
US2441344A
Cited
US2499353A
Cited
US2444713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |