US3176109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit flutter preventing switch construction
Assignee: Robertshaw Controls Co
•
Filing: 1963-05-02
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Granted: 1965-03-30
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Expires: 1983-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Wodtke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:27
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
IN COMBINATION: A FIRST SWITCH CONDUCTOR; A SECOND SWITCH CONDUCTOR, SAID CONDUCTORS BEING RELATIVELY MOVABLE TO CLOSED AND OPEN CIRCUIT POSITIONS TO CLOSE AND OPEN AN ELECTRIC CIRCUIT THROUGH SAID CONDUCTORS; AND A FLEXIBLE CONDUCTOR FORK PRONG CONSTRUCTION ELECTRICALLY CONNECTED TO ONE OF SAID CONDUCTORS AND HAVING TWO FLEXIBLE CONDUCTING PRONGS, BOTH PRONGS BEING ELECTRICALLY CONNECTED TO SAID ONE OF SAID CONDUCTORS AND EXTENDING INTO THE SPACE BETWEEN SAID CONDUCTORS, AND BOTH PRONGS BEING ELECTRICALLY ENGAGED BY THE OTHER OF SAID CONDUCTORS WHEN SAID CONDUCTORS ARE BEING RELATIVELY MOVED TO CLOSED CIRCUIT PO-
References Cited (Backward Citations)
US1879340A
Cited
US2819362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |