Patent US2958206A successfully refreshed from Google Patents.
US2958206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination evaporator-condenser plate assembly
Assignee: Individual
•
Filing: 1956-12-13
•
Granted: 1960-11-01
•
Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 James O Ewing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:23
CPC Classifications
F; F25; F25B; F25B39/00; F25B13/00; F25B2339/00; F25B2339/04; F25B2339/043
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1985733A
Cited
US2297219A
Cited
US2363451A
Cited
US2441270A
Cited
US2496558A
Cited
US2639189A
Cited
US2777300A
Cited
US2750762A
Cited
US2848200A
Cited
US2787130A
Cited
US2804773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |