US3717829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relay
Assignee: Allied Control Co Inc
•
Filing: 1971-08-27
•
Granted: 1973-02-20
•
Expires: 1991-08-27
Abstract
Abstract A LOW PROFILE ELECTROMAGNETIC RELAY OF MODULAR CONSTRUCTION HAVING INTEGRATED COIL, BASE-CONTACT AND ARMATURE-CONTACT ASSEMBLIES TO FACILITATE FLEXIBILITY OF PREASSEMBLY. THE ARMATURE-CONTACT ASSEMBLY INCLUDES A UNITARY CONTACT-RETURN SPRING WHICH SUPPORTS AN ARMATURE AND MOVABLE CONTACTS ON THE BASE-CONTACT ASSEMBLY FOR MOVEMENT TOWARD THE COIL ASSEMBLY IN PARALLEL RELATION TO THE AXIS THEREOF IN RESPONSE TO ENERGIZATION OF AN ACTUATING COIL ASSOCIATED WITH THE COIL ASSEMBLY.
Inventors
- 👤 R Flaherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:53
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |