US4423405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting relay of the PTC resistor type in motocompressors for refrigerators
Assignee: Necchi Compressori Srl
•
Filing: 1982-05-11
•
Granted: 1983-12-27
•
Expires: 2002-05-11
Abstract
Abstract Starting relay of the PTC resistor type provided on a monophase electric motor of the induction type for motorcompressors for refrigerators. This positive temperature coefficient resistor in the shape of a small cylinder is built-in on the collector of the motor feed connectors (cluster) arranged inside the container of the motorcompressor on the hermetic electrical connection fastened on the wall of the same container.
Inventors
- 👤 Alfredo Bar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:42
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
Starting relay of the resistor type with positive temperature coefficient in motor compressors for refrigerators, comprising a hermetically sealed walled container, a two-pin electrical connection fastened on the outside of said container, on the inside of said container a collector of three motor feed connectors, pins provided on the hermetic electrical connection fastened on the wall of said container and a disc resistor embodied in the collector positioned between two of the motor feed connectors.
Claim 2
Dependent Claim
75 words
Starting relay of the resistor type with positive temperature coefficient in motor compressors for refrigerators, comprising a hermetically sealed walled container, a two-pin electrical connection fastened on the outside of said container, on the inside of said container a collector of three motor feed connectors, pins provided on the hermetic electrical connection fastened on the wall of said container and a disc resistor embodied in the collector positioned between two of the motor feed connectors.
References Cited (Backward Citations)
US4131871A
Cited
DE2849584A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-26 | 1987-06-27 | 1987-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-26 | 1991-06-27 | 1991-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-26 | 1995-06-27 | 1995-12-27 | $7700.00 | Window Closed / Lapsed |