US2324533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling means
Assignee: Westinghouse Electric Corp
•
Filing: 1941-09-26
•
Granted: 1943-07-20
•
Expires: 1961-09-26
Abstract
No abstract record available.
Inventors
- 👤 Robert W Pearson
- 👤 Bender John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:05
CPC Classifications
H; H01; H01J; H01J13/00; H01J13/02; H01J13/32; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44239
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |