US3170050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety guard for electric switch
Assignee: Individual
•
Filing: 1961-07-17
•
Granted: 1965-02-16
•
Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Buturuga John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:10
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SAFETY BRACKET ADAPTED TO BE MOUNTED OVER A DOUBLE THROW ELECTRICAL SWITCH HAVING A TOGGLE ARM HAVING TWO POSITIONS CORRESPONDING TO ON AND OFF RESPECTIVELY, SAID BRACKET COMPRISING A PLATE WITH A CENTRAL APERTURE THROUGH WHICH TOGGLE ARM EXTENDS, SAID PLATE HAVING PROJECTIONS ON OPPOSITE SIDES OF THE APERTURE AND LATCHES SPRING MOUNTED IN THE PROJECTIONS AND SAID LATCH BIASED TO A POSITION BLOCKING ACCIDENTAL MOVEMENT OF THE TOGGLE ARM FROM THE PARTICULAR ONE OF SAID TWO POSITIONS IN WHICH THE ARM IS IN, SAID LATCHES BEING MOVABLE TO POSITIONS CLEARING SAID APERTURE AND SAID PROJECTIONS PROTECTING THE APERTURE AND ARM, SAID LATCHES AND SAID ARM COOPERAT-
Claim 2
Dependent Claim
108 words
A SAFETY BRACKET ADAPTED TO BE MOUNTED OVER A DOUBLE THROW ELECTRICAL SWITCH HAVING A TOGGLE ARM HAVING TWO POSITIONS CORRESPONDING TO ON AND OFF RESPECTIVELY, SAID BRACKET COMPRISING A PLATE WITH A CENTRAL APERTURE THROUGH WHICH TOGGLE ARM EXTENDS, SAID PLATE HAVING PROJECTIONS ON OPPOSITE SIDES OF THE APERTURE AND LATCHES SPRING MOUNTED IN THE PROJECTIONS AND SAID LATCH BIASED TO A POSITION BLOCKING ACCIDENTAL MOVEMENT OF THE TOGGLE ARM FROM THE PARTICULAR ONE OF SAID TWO POSITIONS IN WHICH THE ARM IS IN, SAID LATCHES BEING MOVABLE TO POSITIONS CLEARING SAID APERTURE AND SAID PROJECTIONS PROTECTING THE APERTURE AND ARM, SAID LATCHES AND SAID ARM COOPERAT-
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |