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US3548016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorine values recovery and use
Assignee: Lummus Technology LLC
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Filing: 1967-04-11
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Granted: 1970-12-15
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Expires: 1987-04-11
Abstract
No abstract record available.
Inventors
- 👤 Morgan C Sze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:11
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C01; C01B; C01B7/00; C01B7/01; C01B7/03; C01G; C01G3/00; C01G3/04; C01G3/05; C01G3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2113028A
Cited
US2395314A
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US2407828A
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US2418931A
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US2752402A
Cited
US3276842A
Cited
US3346339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |