US3400069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously drying gas
Assignee: HAYS-REPUBLIC Corp A SUBSIDIARY OF OPTIMUM CONTROL CORPORATION AN OH CORP
•
Filing: 1966-12-09
•
Granted: 1968-09-03
•
Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Dreckmann Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |