US3327263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid means for improving current carrying capacity of reed type switch
Assignee: Allis Chalmers Corp
•
Filing: 1966-03-30
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Granted: 1967-06-20
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Roger A Korn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:42
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/06; H01H1/08; Y; Y10; Y10S; Y10S65/00; Y10S65/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN AN ELECTRIC SWITCH, A STATIONARY CONTACT, A MOVABLE CONTACT COMPRISING AN ELECTRICALLY CONDUCTIVE BASE AND ELECTRICALLY CONDUCTIVE ARMATURE OF RELATIVELY SMALL CROSS-SECTIONAL AREA WITH RESPECT TO SAID BASE CONNECTED TO SAID BASE AND MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, A PORTION OF SAID ARMATURE LYING ADJACENT A PORTION OF SAID BASE AND DEFINING A SPACE THEREBETWEEN WHEN SAID ARMATURE IS OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, AND AN ELECTRICALLY CONDUCTIVE LIQUID DISPOSED IN A PORTION OF SAID SPACE BETWEEN SAID BASE AND SAID ARMATURE, SAID LIQUID BEING SQUEEZED TO OCCUPY ANOTHER PORTION OF SAID SPACE WHEN SAID ARMATURE MOVES INTO ENGAGEMENT WITH SAID STATIONARY CONTACT TO THEREBY EFFECTIVELY SHORTEN THE ELECTRICAL CURRENT PATH THROUGH SAID ARMATURE TO SAID BASE.
Claim 2
Dependent Claim
125 words
IN AN ELECTRIC SWITCH, A STATIONARY CONTACT, A MOVABLE CONTACT COMPRISING AN ELECTRICALLY CONDUCTIVE BASE AND ELECTRICALLY CONDUCTIVE ARMATURE OF RELATIVELY SMALL CROSS-SECTIONAL AREA WITH RESPECT TO SAID BASE CONNECTED TO SAID BASE AND MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, A PORTION OF SAID ARMATURE LYING ADJACENT A PORTION OF SAID BASE AND DEFINING A SPACE THEREBETWEEN WHEN SAID ARMATURE IS OUT OF ENGAGEMENT WITH SAID STATIONARY CONTACT, AND AN ELECTRICALLY CONDUCTIVE LIQUID DISPOSED IN A PORTION OF SAID SPACE BETWEEN SAID BASE AND SAID ARMATURE, SAID LIQUID BEING SQUEEZED TO OCCUPY ANOTHER PORTION OF SAID SPACE WHEN SAID ARMATURE MOVES INTO ENGAGEMENT WITH SAID STATIONARY CONTACT TO THEREBY EFFECTIVELY SHORTEN THE ELECTRICAL CURRENT PATH THROUGH SAID ARMATURE TO SAID BASE.
References Cited (Backward Citations)
US2312672A
Cited
US2406036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |