Patent US2868939A successfully refreshed from Google Patents.
US2868939A
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US
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Suppression of radiation from dielectric heating applicators
Assignee: Chemetron Corp
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Filing: 1956-01-16
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Granted: 1959-01-13
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Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Robert V Pound
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:31
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |