Patent US3247574A successfully refreshed from Google Patents.
US3247574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency shielding cabinets
Assignee: TDK Micronas GmbH
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Filing: 1962-08-01
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Granted: 1966-04-26
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Wilbur R Wirtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:31
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0007; H05K9/0049; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF CABINET CONSTUCTION COMPRISING THE STEPS OF FORMING METAL PANELS OF DESIRED SIZE AND SHAPE, WELDING SAID PANELS TOGETHER TO PROVIDE A COMPLETED ENCLOSURE HAVING AT LEAST ONE OPENING THEREIN, PLATING SAID ENCLOSURE WITH A LAYER OF CONDUCTIVE MATERIAL TO PROVIDE A CONTINUOUS AND NBROKEN SHELL OF SHIELDING MATERIAL OVER THE ENTIRE SURFACE OF AT LEAST ONE SIDE OF SAID ENCLOSURE, AND SEALING ALL OPENINGS BY COVERS WHICH CLOSE
Claim 2
Independent Claim
71 words
THE METHOD OF CABINET CONSTUCTION COMPRISING THE STEPS OF FORMING METAL PANELS OF DESIRED SIZE AND SHAPE, WELDING SAID PANELS TOGETHER TO PROVIDE A COMPLETED ENCLOSURE HAVING AT LEAST ONE OPENING THEREIN, PLATING SAID ENCLOSURE WITH A LAYER OF CONDUCTIVE MATERIAL TO PROVIDE A CONTINUOUS AND NBROKEN SHELL OF SHIELDING MATERIAL OVER THE ENTIRE SURFACE OF AT LEAST ONE SIDE OF SAID ENCLOSURE, AND SEALING ALL OPENINGS BY COVERS WHICH CLOSE
References Cited (Backward Citations)
GB768996A
Cited
US2978531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |