US3033440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling device for electronic apparatus
Assignee: Raytheon Co
•
Filing: 1958-06-25
•
Granted: 1962-05-08
•
Expires: 1978-06-25
Abstract
No abstract record available.
Inventors
- 👤 Ruppright Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:22
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/70; H10W40/73
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1890571A
Cited
US1873519A
Cited
US2083020A
Cited
US2096075A
Cited
US2212864A
Cited
US2393854A
Cited
US2349695A
Cited
US2858770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |