US3432995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adsorption tower
Assignee: Linde GmbH
•
Filing: 1966-11-16
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Granted: 1969-03-18
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Expires: 1986-11-16
Abstract
No abstract record available.
Inventors
- 👤 Karl Jaeger
- 👤 Werner Scheffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:53
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D53/0423; B01D53/0431; B01D53/0438; B01D53/0446; B01D2253/00; B01D2253/10; B01D2253/102; B01D2257/00; B01D2257/93; B01D2259/00; B01D2259/40; B01D2259/40083; B01D2259/40084
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |