US2914348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing ring assembly
Assignee: Sealol Corp
•
Filing: 1957-03-01
•
Granted: 1959-11-24
•
Expires: 1977-03-01
Abstract
No abstract record available.
Inventors
- 👤 Rolf H W Kroekel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:03
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US701730A
Cited
US774490A
Cited
US1339297A
Cited
US1424655A
Cited
DE496109C
Cited
DE577192C
Cited
US2070637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |