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US2010200A
Expired / Lapsed
US
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Sealing device for pressure containers
Assignee: International Carbonic Engineering Co
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Filing: 1933-09-01
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Granted: 1935-08-06
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Expires: 1953-09-01
Abstract
No abstract record available.
Inventors
- 👤 Rufener Hans
- 👤 Eichmann Theophil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/08; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/084; Y10T292/096; Y10T292/0999; Y10T292/1005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-08-05 | 1939-02-04 | 1939-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-05 | 1943-02-04 | 1943-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-05 | 1947-02-04 | 1947-08-06 | $7700.00 | Window Closed / Lapsed |