US3299324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch means for holding electrical unit engaged and disengaged from bus bars
Assignee: Westinghouse Electric Corp
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Filing: 1964-12-31
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Granted: 1967-01-17
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 Garrett S Yarbrough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:55
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/14; H05K7/1401; H05K7/1411; H02; H02B; H02B1/00; H02B1/26; H02B1/30; H02B1/32; H02B1/34; H02B1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A SWITCHBOARD STRUCTURE COMPRISING A HOUSING HAVING A FRONT OPENING, ONE OR MORE BUS DISPOSED IN THE HOUSING, A UNIT DISPOSED TO MOVE INTO AND OUT OF THE HOUSING THROUGH THE FRONT OPENING TO ENGAGE AND DISENGAGE SAID ONE OR MORE BUS BARS, A UNITARY LATCH MEMBER MOUNTED ON THE UNIT AND HAVING FIRST AND SECOND LATCH PORTIONS SPACED FROM ONE ANOTHER ALONG A LINE WHICH IS SUBSTANTIALLY PARALLEL TO THE DIRECTION OF MOVEMENT OF THE UNIT, AN ADDITIONAL OPENING IN THE HOUSING, SAID LATCH MEMBER BEING MOVABLE WITH RESPECT TO THE UNIT TO ACTUATE THE FIRST LATCH PORTION TO ENTER THE ADDITIONAL OPENING WHEN THE UNIT ENGAGES SAID ONE OR MORE BUS BARS AND TO ACTUATE THE SECOND LATCH PORTION TO ENTER THE ADDITIONAL OPENING WHEN THE UNIT IS DISENGAGED FROM SAID ONE OR MORE BUS BARS.
Claim 2
Dependent Claim
138 words
A SWITCHBOARD STRUCTURE COMPRISING A HOUSING HAVING A FRONT OPENING, ONE OR MORE BUS DISPOSED IN THE HOUSING, A UNIT DISPOSED TO MOVE INTO AND OUT OF THE HOUSING THROUGH THE FRONT OPENING TO ENGAGE AND DISENGAGE SAID ONE OR MORE BUS BARS, A UNITARY LATCH MEMBER MOUNTED ON THE UNIT AND HAVING FIRST AND SECOND LATCH PORTIONS SPACED FROM ONE ANOTHER ALONG A LINE WHICH IS SUBSTANTIALLY PARALLEL TO THE DIRECTION OF MOVEMENT OF THE UNIT, AN ADDITIONAL OPENING IN THE HOUSING, SAID LATCH MEMBER BEING MOVABLE WITH RESPECT TO THE UNIT TO ACTUATE THE FIRST LATCH PORTION TO ENTER THE ADDITIONAL OPENING WHEN THE UNIT ENGAGES SAID ONE OR MORE BUS BARS AND TO ACTUATE THE SECOND LATCH PORTION TO ENTER THE ADDITIONAL OPENING WHEN THE UNIT IS DISENGAGED FROM SAID ONE OR MORE BUS BARS.
References Cited (Backward Citations)
US2257741A
Cited
US3066244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |