US3109754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistor
Assignee: US Philips Corp
•
Filing: 1960-12-19
•
Granted: 1963-11-05
•
Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Tielens Theo Asmund
- 👤 Kunnen Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:20
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/02; H01C1/034; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A RESISTOR COMPRISING AN INSULATED SUPPORT, A METALLIC RESISTOR ELEMENT ON SAID SUPPORT AND A PROTECTIVE LACQUER LAYER COVERING EXTERIOR SURFACES OF SAID METALLIC ELEMENT, SAID LACQUER LAYER CONTAINING A METAL POWDER SELECTED FROM THE GROUP CONSISTING OF ZINC AND CADMIUM POWDER.
Claim 2
Dependent Claim
42 words
A RESISTOR COMPRISING AN INSULATED SUPPORT, A METALLIC RESISTOR ELEMENT ON SAID SUPPORT AND A PROTECTIVE LACQUER LAYER COVERING EXTERIOR SURFACES OF SAID METALLIC ELEMENT, SAID LACQUER LAYER CONTAINING A METAL POWDER SELECTED FROM THE GROUP CONSISTING OF ZINC AND CADMIUM POWDER.
References Cited (Backward Citations)
US512160A
Cited
US1039463A
Cited
US1015156A
Cited
US1913214A
Cited
US2321587A
Cited
US2361405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |