Patent US3324431A successfully refreshed from Google Patents.
US3324431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic contactor having interchangeable auxiliary devices
Assignee: ITE Circuit Breaker Co
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Filing: 1962-04-24
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Granted: 1967-06-06
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Expires: 1982-04-24
Abstract
No abstract record available.
Inventors
- 👤 John B Cataldo
- 👤 Elwood T Platz
- 👤 Marco Bernard Di
- 👤 Frank W Kussy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:03
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/02; H01H50/00; H01H50/54; H01H50/541; H01H50/545; H01H1/00; H01H1/0015; H01H11/00; H01H50/44; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H71/10; H01H71/66; H01H71/68; H01H71/685; H01H83/00; H01H83/20; H01H83/22; H01H83/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A CONTRACTOR COMPRISED OF A BASE ASSEMBLY, A CONTACT ASSEMBLY; SAID BASE ASSEMBLY BEING PROVIDING THE SOLE SUPPORT FOR SAID CONTACT ASSEMBLY; SAIID BASE ASSEMBLY COMPRISED OF A BASE CONTAINING A YOKE WHICH HAS A COIL THEREOVER; SAID CONTACT ASSEMBLY BEING COMPRISED OF A PLATE, A CARRIER AND AN ARMATURE AND MEANS TO MECHANICALLY INTERCONNECT THESE COMPONENT; A PLURALITY OF PAIRS OF STATIONARY CONTACTS MOUNTED ON SAID PLATE; A PLURALITY OF PAIRS OF BRIDGING CONTACTS MOUNTED ON SAID CARRIER; BIASING MEANS TO BIAS SAID CARRIER WITH RESPECT TO SAID PLATE TO PERMIT ELECTROMAGNETIC ENGAGEMENT AND NORMALLY BIASED DISENGAGEMENT BETWEEN SAID PLURALITY OF BRIDGING CONTACTS AND SAID PLURALITY OF STATIONARY CONTACTS; SAID BASE ASSEMBLY AND SAID CONTACT ASSEMBLY EXTENDING SUBSTANTIALLY IN A FIRST AND SECOND PLANE
Claim 2
Dependent Claim
125 words
A CONTRACTOR COMPRISED OF A BASE ASSEMBLY, A CONTACT ASSEMBLY; SAID BASE ASSEMBLY BEING PROVIDING THE SOLE SUPPORT FOR SAID CONTACT ASSEMBLY; SAIID BASE ASSEMBLY COMPRISED OF A BASE CONTAINING A YOKE WHICH HAS A COIL THEREOVER; SAID CONTACT ASSEMBLY BEING COMPRISED OF A PLATE, A CARRIER AND AN ARMATURE AND MEANS TO MECHANICALLY INTERCONNECT THESE COMPONENT; A PLURALITY OF PAIRS OF STATIONARY CONTACTS MOUNTED ON SAID PLATE; A PLURALITY OF PAIRS OF BRIDGING CONTACTS MOUNTED ON SAID CARRIER; BIASING MEANS TO BIAS SAID CARRIER WITH RESPECT TO SAID PLATE TO PERMIT ELECTROMAGNETIC ENGAGEMENT AND NORMALLY BIASED DISENGAGEMENT BETWEEN SAID PLURALITY OF BRIDGING CONTACTS AND SAID PLURALITY OF STATIONARY CONTACTS; SAID BASE ASSEMBLY AND SAID CONTACT ASSEMBLY EXTENDING SUBSTANTIALLY IN A FIRST AND SECOND PLANE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |