US3534562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of liquefying gaseous chlorine containing water vapour
Assignee: KONINKLUJKE NEDERLANDSCHE ZOUT IND NV
•
Filing: 1967-04-14
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Granted: 1970-10-20
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Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Dick Meyer Timmerman Thijssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:15
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; Y; Y10; Y10S; Y10S62/00; Y10S62/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US491699A
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US1431981A
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US1913628A
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US2910140A
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US3230724A
Cited
US3283476A
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US3359744A
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US3360944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |