US3041978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporative cooler
Assignee: General Electric Co
•
Filing: 1960-01-15
•
Granted: 1962-07-03
•
Expires: 1980-01-15
Abstract
No abstract record available.
Inventors
- 👤 Kranz Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:32
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/70; F04D29/708
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2295982A
Cited
US2702147A
Cited
US2744466A
Cited
US2808782A
Cited
FR1084781A
Cited
US2738787A
Cited
FR68959E
Cited
US2942556A
Cited
US2918016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |