Patent US2618733A successfully refreshed from Google Patents.
US2618733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency drying device
Assignee: Raytheon Co
•
Filing: 1948-10-26
•
Granted: 1952-11-18
•
Expires: 1968-10-26
Abstract
No abstract record available.
Inventors
- 👤 Buckley R Reed
- 👤 Arnold H Crowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:40
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/32; F26B3/34; Y; Y10; Y10T; Y10T74/00; Y10T74/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2079708A
Cited
US2112418A
Cited
US2233176A
Cited
US2325950A
Cited
US2304958A
Cited
US2288269A
Cited
US2390572A
Cited
US2402609A
Cited
US2319174A
Cited
US2409431A
Cited
US2422979A
Cited
US2453185A
Cited
US2483623A
Cited
US2460566A
Cited
US2442451A
Cited
US2442986A
Cited
US2473251A
Cited
US2457498A
Cited
US2477214A
Cited
US2512311A
Cited
US2560903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |