US3453835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption of co2 employing separately cooled absorbent streams
Assignee: METALLGESELLSCHAFT AG LINDE AG
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Filing: 1966-11-15
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Granted: 1969-07-08
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Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 Gerhard L Hochgesand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:28
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/08; C10K1/16; C10K1/165; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y10; Y10S; Y10S62/00; Y10S62/928; Y10S62/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |