US2793989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave guide structure and method of forming same
Assignee: Gar Precision Parts Inc
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Filing: 1952-10-02
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Granted: 1957-05-28
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Expires: 1972-10-02
Abstract
No abstract record available.
Inventors
- 👤 Goodman Robert
- 👤 Victor P Baptist
- 👤 Harold D Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
H; H01; H01P; H01P11/00; H01P11/001; H01P11/002; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/49826; Y10T29/49888; Y10T428/00; Y10T428/12; Y10T428/12375; Y10T428/12486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
THE METHOD OF MAKING AN ELECTRONIC WAVE GUIDE WHICH COMPRISES: FORMING A MANDREL WITH THE PORTION THEREOF WHICH IS TO DIRECTLY RECEIVE ELECTRODEPOSITED METAL HAVING AN EXTERNAL CROSS SECTION AND LONGITUDINAL DIMENSIONS ACCURATELY CONFORMING IN EVERY RESPECT TO THE INTERNAL SHAPE AND DIMENSIONS OF THE WAVE PASSAGE OF THE WAVE GUIDE TO BE FORMED, TELESCOPING OVER AT LEAST ONE END OF THE MANDREL A TERMINAL HAVING WHEREIN AN OPENING THE INNER END OF WHICH MAKES A SUFFICIENTLY TIGHT FIT WITH THE EXTERNAL SURFACE OF THE MANDREL TO PRECLUDE SEEPAGE OF ELECTROLYTE BETWEEN THEM AND WHICH OPENING IS ACCURATELY SHAPED AND DIMENSIONED TO FORM AN UNINTERRUPTED CONTAINUATION OF THE EXPOSED CONTIGUOUS PORTION OF THE EXTERNAL SURFACE OF THE MANDREL WHEREBY THE INTERIOR SURFACE OF THE TERMINAL AND THE EXPOSED SURFACE OF THE MAMDREL COLLECTIVELY CORRESPOND TO THE WAVE PASSAGE TO BE FORMED IN THE WAVE GUID, THEREAFTER ELECTRODEPOSITING AN UNINTERRUPTEDLAYER OF METAL SIMULTANEOUSLY OVER THE EXPOSED SURFACE OF THE MANDREL AND OVER AT LEAST A PORTION OF THE EXPOSED SURFACE OF THE TERMINAL, AND THEREAFTER REMOVING THE MANDREL TO LEAVE A WAVE GUID HAVING THEREIN AN ELECTROMAGNETIC WAVE PASSAGE A PORTION OF THE LENGTH OF WHICH IS FORMED BY THE OPENING OF THE TERMINAL AND WHICH PASSAGE IS ELECTROMAGNETICALLY AND DIMENSIONALLY ACCURATE THROUGHOUT ITS ENTIRE LENGTH.
Claim 2
Independent Claim
215 words
THE METHOD OF MAKING AN ELECTRONIC WAVE GUIDE WHICH COMPRISES: FORMING A MANDREL WITH THE PORTION THEREOF WHICH IS TO DIRECTLY RECEIVE ELECTRODEPOSITED METAL HAVING AN EXTERNAL CROSS SECTION AND LONGITUDINAL DIMENSIONS ACCURATELY CONFORMING IN EVERY RESPECT TO THE INTERNAL SHAPE AND DIMENSIONS OF THE WAVE PASSAGE OF THE WAVE GUIDE TO BE FORMED, TELESCOPING OVER AT LEAST ONE END OF THE MANDREL A TERMINAL HAVING WHEREIN AN OPENING THE INNER END OF WHICH MAKES A SUFFICIENTLY TIGHT FIT WITH THE EXTERNAL SURFACE OF THE MANDREL TO PRECLUDE SEEPAGE OF ELECTROLYTE BETWEEN THEM AND WHICH OPENING IS ACCURATELY SHAPED AND DIMENSIONED TO FORM AN UNINTERRUPTED CONTAINUATION OF THE EXPOSED CONTIGUOUS PORTION OF THE EXTERNAL SURFACE OF THE MANDREL WHEREBY THE INTERIOR SURFACE OF THE TERMINAL AND THE EXPOSED SURFACE OF THE MAMDREL COLLECTIVELY CORRESPOND TO THE WAVE PASSAGE TO BE FORMED IN THE WAVE GUID, THEREAFTER ELECTRODEPOSITING AN UNINTERRUPTEDLAYER OF METAL SIMULTANEOUSLY OVER THE EXPOSED SURFACE OF THE MANDREL AND OVER AT LEAST A PORTION OF THE EXPOSED SURFACE OF THE TERMINAL, AND THEREAFTER REMOVING THE MANDREL TO LEAVE A WAVE GUID HAVING THEREIN AN ELECTROMAGNETIC WAVE PASSAGE A PORTION OF THE LENGTH OF WHICH IS FORMED BY THE OPENING OF THE TERMINAL AND WHICH PASSAGE IS ELECTROMAGNETICALLY AND DIMENSIONALLY ACCURATE THROUGHOUT ITS ENTIRE LENGTH.
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) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |