US2602146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave generator
Assignee: Patelhold Patenverwertungs and Elektro-Holding AG
•
Filing: 1946-09-25
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Granted: 1952-07-01
•
Expires: 1966-09-25
Abstract
No abstract record available.
Inventors
- 👤 Ludi Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:49
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H01; H01J; H01J25/00; H01J25/02; H01J25/06; H01J25/08; H01J25/10; H01J25/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2320860A
Cited
US2368031A
Cited
US2383343A
Cited
US2405612A
Cited
US2408409A
Cited
US2458556A
Cited
US2394008A
Cited
US2428780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |