US2465102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio-frequency heating apparatus
Assignee: RCA Corp
•
Filing: 1943-10-04
•
Granted: 1949-03-22
•
Expires: 1963-10-04
Abstract
No abstract record available.
Inventors
- 👤 Joy Joseph Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:45
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/48; H05B6/50; H05B6/62
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |