US3164706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical operating means for fluidblast circuit interrupter
Assignee: Westinghouse Electric Corp
•
Filing: 1961-11-03
•
Granted: 1965-01-05
•
Expires: 1981-11-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:16
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/88; H01H33/90; H01H33/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A CIRCUIT INTERRUPTER OF THE FLUID-BLAST TYPE INCLUDING A RELATIVELY STATIONARY CONTACT, A MOVABLE CONTACT SEPARABLE FROM THE RELATIVELY STATIONARY CONTACT TO ESTABLSH AN ARC, A MOVABLE CONTACT ROD HAVING SAID MOVABLE CONTACT AFFIXED THERETO, OPERATING MEANS FOR EFFECTING OPENING AND CLOSING MOVEMENT OF THE MOVABLE CONTACT ROD FOR EFFECTING CORRESPONDING CONTACT SEPARATION AND CONTACT REENGAGEMENT, PUFFER MEANS FOR COMPRESSING FLUID TO EFFECT ARC EXTINCTION INCLUDING A MOVABLE CYLINDER PART AND A MOVABLE PISTON PART, THE MOVABLE PISTON PART BEING MOVABLE WITHIN THE MOVABLE CYLINDER PART FOR THE COMPRES-
Claim 2
Dependent Claim
89 words
A CIRCUIT INTERRUPTER OF THE FLUID-BLAST TYPE INCLUDING A RELATIVELY STATIONARY CONTACT, A MOVABLE CONTACT SEPARABLE FROM THE RELATIVELY STATIONARY CONTACT TO ESTABLSH AN ARC, A MOVABLE CONTACT ROD HAVING SAID MOVABLE CONTACT AFFIXED THERETO, OPERATING MEANS FOR EFFECTING OPENING AND CLOSING MOVEMENT OF THE MOVABLE CONTACT ROD FOR EFFECTING CORRESPONDING CONTACT SEPARATION AND CONTACT REENGAGEMENT, PUFFER MEANS FOR COMPRESSING FLUID TO EFFECT ARC EXTINCTION INCLUDING A MOVABLE CYLINDER PART AND A MOVABLE PISTON PART, THE MOVABLE PISTON PART BEING MOVABLE WITHIN THE MOVABLE CYLINDER PART FOR THE COMPRES-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |