US2685016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed resistor
Assignee: ITE Circuit Breaker Co
•
Filing: 1952-09-16
•
Granted: 1954-07-27
•
Expires: 1972-09-16
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:02
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A HERMETICALLY PRECISION SEALED WIRE WOUND RESISTOR COMPRISING A WINDING FORM CONSISTING OF A SOLID EPOXY-TYPE HEAT-CURING RESIN AND TWENTY-FIVE PER CENT SLATE, HAVING RESISTOR WIRE WOUND THEREON AND AN ENCLOSURE THEREFOR COMPRISING A COLD-SET TYPE OF EPOXY RESIN HAVING FIVE PER CENT SLATE, SAID ENCLOSURE BEING INTEGRAL WITH SAID WINDING FORM AND COMPLETELY SEALING SAID WINDING FORM.
Claim 2
Dependent Claim
58 words
A HERMETICALLY PRECISION SEALED WIRE WOUND RESISTOR COMPRISING A WINDING FORM CONSISTING OF A SOLID EPOXY-TYPE HEAT-CURING RESIN AND TWENTY-FIVE PER CENT SLATE, HAVING RESISTOR WIRE WOUND THEREON AND AN ENCLOSURE THEREFOR COMPRISING A COLD-SET TYPE OF EPOXY RESIN HAVING FIVE PER CENT SLATE, SAID ENCLOSURE BEING INTEGRAL WITH SAID WINDING FORM AND COMPLETELY SEALING SAID WINDING FORM.
References Cited (Backward Citations)
FR796138A
Cited
US2286161A
Cited
US2265821A
Cited
US2460795A
Cited
US2547405A
Cited
US2500449A
Cited
US2558798A
Cited
US2586609A
Cited
US2668867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |