US3242285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay with unitary field piece construction
Assignee: Guardian Electric Manufacturing Co
•
Filing: 1963-03-21
•
Granted: 1966-03-22
•
Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Obszarny
- 👤 John J Rowell
- 👤 Schmidt John
- 👤 Wright William Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:24
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/02; H01H50/04; H01H50/041; H01H50/54; H01H50/56; H01H50/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A RELAY COMPRISING A FIELD PIECE HAVING A CORE, A COIL MOUNTED ON SAID CORE FOR CREATING AN ELECTROMAGNETIC FIELD, AN ARMATURE PIVOTALLY CARRIED BY SAID FIELD PIECE AND BEING ALIGNED WITH SAID CORE, A SWITCH BLOCK MOUNTED ON SAID FIELD PIECE AND HAVING BLADE CONTACT MEMBERS DISTALLY SPACED FROM SAID ARMATURE, A SPRING CLIP FIRMLY CONNECTING SAID SWITCH BLOCK TO SAID FIELD PIECE, SAID CLIP ENGAGING AND BIASING SAID ARMATURE IN A DIRECTION AWAY FROM SAID COIL, AND MEANS FOR MOVING SAID CONTACT MEMBERS IN UNISON WITH SAID ARMATURE UPON ENERGIZING AND DE-ENERGIZING SAID COIL.
Claim 2
Dependent Claim
96 words
A RELAY COMPRISING A FIELD PIECE HAVING A CORE, A COIL MOUNTED ON SAID CORE FOR CREATING AN ELECTROMAGNETIC FIELD, AN ARMATURE PIVOTALLY CARRIED BY SAID FIELD PIECE AND BEING ALIGNED WITH SAID CORE, A SWITCH BLOCK MOUNTED ON SAID FIELD PIECE AND HAVING BLADE CONTACT MEMBERS DISTALLY SPACED FROM SAID ARMATURE, A SPRING CLIP FIRMLY CONNECTING SAID SWITCH BLOCK TO SAID FIELD PIECE, SAID CLIP ENGAGING AND BIASING SAID ARMATURE IN A DIRECTION AWAY FROM SAID COIL, AND MEANS FOR MOVING SAID CONTACT MEMBERS IN UNISON WITH SAID ARMATURE UPON ENERGIZING AND DE-ENERGIZING SAID COIL.
References Cited (Backward Citations)
US3126466A
Cited
US2735968A
Cited
US2284621A
Cited
US2398657A
Cited
US2421642A
Cited
US2524874A
Cited
US2608630A
Cited
US2775671A
Cited
GB770030A
Cited
US2818481A
Cited
US2866030A
Cited
US2916585A
Cited
US2975252A
Cited
US2896045A
Cited
US2932705A
Cited
US3017475A
Cited
US3025370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |