US3119244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerant treating element and method of refrigerant treatment
Assignee: Individual
•
Filing: 1961-05-22
•
Granted: 1964-01-28
•
Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Emil L Fabian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:37
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US950491A
Cited
US1677804A
Cited
US1809833A
Cited
US1914829A
Cited
US1960040A
Cited
GB409844A
Cited
US2225990A
Cited
US2469842A
Cited
US2435510A
Cited
US2509787A
Cited
US2537720A
Cited
US2705405A
Cited
US2835114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |