US3314130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making hollow electronic components
Assignee: Individual
•
Filing: 1964-03-23
•
Granted: 1967-04-18
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 William R Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
H; H01; H01P; H01P11/00; H01P11/001; H01P11/002; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE METHOD OF MAKING A HOLLOW ELECTRONIC WAVE GUIDE WHICH COMPRISES: (A) SELECTING AN ALLOY CONSISTING OF APPROXIMATELY 55.5 PERCENT BISMUTH AND 44.5 PERCENT LEAD, (B) SHAPING THE ALLOY TO PROVIDE A MANDREL HAVING OUTER SURFACES BETWEEN ITS ENDS WHICH DETERMINE THE INTERNAL CONFIGURATION OF THE WAVE GUIDE, (C) APPLYING A THIN INNER LAYER OF LEAD TO COVER SAID OUTER SURFACES OF THE MANDREL, (D) APPLYING A LAYER OF CONDUCTOR MATERIAL SELECTED FROM THE GROUP COMPRISING SILVER AND COPPER TO COVER THE INNER LAYER OF LEAD, (E) APPLYING A THIN OUTER LAYER OF LEAD TO COVER THE CONDUCTOR MATERIAL, (F) SUBJECTING THE MANDREL AND APPLIED LAYERS ASSEMBLY TO A HOT OIL BATH MAINTAINED AT A TEMPERATURE OF AP-
Claim 2
Independent Claim
118 words
THE METHOD OF MAKING A HOLLOW ELECTRONIC WAVE GUIDE WHICH COMPRISES: (A) SELECTING AN ALLOY CONSISTING OF APPROXIMATELY 55.5 PERCENT BISMUTH AND 44.5 PERCENT LEAD, (B) SHAPING THE ALLOY TO PROVIDE A MANDREL HAVING OUTER SURFACES BETWEEN ITS ENDS WHICH DETERMINE THE INTERNAL CONFIGURATION OF THE WAVE GUIDE, (C) APPLYING A THIN INNER LAYER OF LEAD TO COVER SAID OUTER SURFACES OF THE MANDREL, (D) APPLYING A LAYER OF CONDUCTOR MATERIAL SELECTED FROM THE GROUP COMPRISING SILVER AND COPPER TO COVER THE INNER LAYER OF LEAD, (E) APPLYING A THIN OUTER LAYER OF LEAD TO COVER THE CONDUCTOR MATERIAL, (F) SUBJECTING THE MANDREL AND APPLIED LAYERS ASSEMBLY TO A HOT OIL BATH MAINTAINED AT A TEMPERATURE OF AP-
References Cited (Backward Citations)
US699592A
Cited
US1776535A
Cited
US2004102A
Cited
US2592614A
Cited
US2613178A
Cited
US2834915A
Cited
US2992946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |