US3608280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave energy shielding system
Assignee: Bendix Corp
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Filing: 1969-03-26
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Granted: 1971-09-28
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Expires: 1989-03-26
Abstract
Abstract A MICROWAVE ENERGY SHIELDING SYSTEM FOR USE IN AN OPENING THROUGH WHICH FRESH AIR IS SUPPLIED TO PERSONNEL AND SENSITIVE TESTING EQUIPMENT OPERATING WITHIN THE CONFINES OF AN ENCLOSURE. THE SHIELDING SYSTEM PASSES THE REQUIRED AIR FLOW THROUGH AN IONIZED SOLUTION TO ATTENUATE MICROWAVE ENERGY IN THE AIR PRIOR TO PASSING THROUGH THE OPENING IN THE ENCLOSURE TO ELIMINATE THE EFFECT OF ANY OUTSIDE MICRO FREQUENCY ON THE TEST BEING PERFORMED BY THE EQUIPMENT.
Inventors
- 👤 Robert B Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:26
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/002
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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |