US3459325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal for enclosures subjected to high pressures and temperatures
Assignee: Siemens AG
•
Filing: 1967-03-29
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Granted: 1969-08-05
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Expires: 1987-03-29
Abstract
No abstract record available.
Inventors
- 👤 Diethelm Knodler
- 👤 Alfons Jezussek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:09
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/02; G21C13/06; G21C13/073; G21C13/0735; F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0881; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127050A
Cited
US1926107A
Cited
US2352583A
Cited
DE847093C
Cited
US2553222A
Cited
US2818993A
Cited
US3079033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |