Patent US2803054A successfully refreshed from Google Patents.
US2803054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of resistor construction
Assignee: Individual
•
Filing: 1953-02-13
•
Granted: 1957-08-20
•
Expires: 1973-02-13
Abstract
No abstract record available.
Inventors
- 👤 Wilbur M Kohring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:59
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/02; H01C1/024; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49099
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN MAKING A RESISTOR, ASSEMBLING A CORE AND RESISTANCE ELEMENT AND END CAPS, ONE HAVING AN OPENING, ENCLOSING THE ASSEMBLAGE IN A PLIANT IMPERVIOUS BAG FROM CAP TO CAP, PLACING THE WHOLE IN A SPACE-PROVIDING MOLD AND THE LATTER IN A VACUUM CHAMBER, APPLYING A VACUUM TO THE MOLD AND CONTENTS AND ALSO TO LIQUID INSULATING MATERIAL ON ITS WAY TO THE MOLD, ABRUPTLY LESSENING THE VACUUM IN SHOCK ALTERNATION, SOLIDIFYING THE INSULATING MATERIAL, SUPPLYING TO THE INTERIOR A PERMANENTLY FLUID IN SULATIVE MATERIAL, SEALING THE RESISTOR, AND DEPOSITING METAL ON ITS EXTERIOR.
Claim 2
Dependent Claim
93 words
IN MAKING A RESISTOR, ASSEMBLING A CORE AND RESISTANCE ELEMENT AND END CAPS, ONE HAVING AN OPENING, ENCLOSING THE ASSEMBLAGE IN A PLIANT IMPERVIOUS BAG FROM CAP TO CAP, PLACING THE WHOLE IN A SPACE-PROVIDING MOLD AND THE LATTER IN A VACUUM CHAMBER, APPLYING A VACUUM TO THE MOLD AND CONTENTS AND ALSO TO LIQUID INSULATING MATERIAL ON ITS WAY TO THE MOLD, ABRUPTLY LESSENING THE VACUUM IN SHOCK ALTERNATION, SOLIDIFYING THE INSULATING MATERIAL, SUPPLYING TO THE INTERIOR A PERMANENTLY FLUID IN SULATIVE MATERIAL, SEALING THE RESISTOR, AND DEPOSITING METAL ON ITS EXTERIOR.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |