Patent US3277251A successfully refreshed from Google Patents.
US3277251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enclosed switch with cover and connector interlock
Assignee: Arrow Hart and Hegeman Electric Co
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Filing: 1963-10-17
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Granted: 1966-10-04
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Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:02
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/22; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/707
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN COMBINATION, AN INTERLOCKING CONNECTOR AND SWITCH, A BOX ENCLOSING SAID SWITCH AND HAVING AN OPENABLE COVER, AN OPERATING HANDLE OUTSIDE THE BOX, SWITCH CONTACTS FIXEDLY MOUNTED IN SAID BOX, MOVABLE CONTACTS AND OPERATING MECHANISM FOR SAID MOVABLE CONTACTS IN THE BOX, SAID HANDLE ACTUATING SAID OPERATING MECHANISM FOR MOVING THE SWITCH BETWEEN OPEN AND CLOSED POSITIONS, MEANS ON SAID COVER AND OPERATING MECHANISM LOCKING SAID COVER CLOSED WHEN SAID SWITCH IS CLOSED AND PREVENTING OPERATION OF THE SWITCH WHEN THE COVER IS OPEN, A LOCKING MEMBER, SAID OPERATING MECHANISM MOVING SAID LOCKING MEMBER AS THE OPERATING MECHANISM MOVES BETWEEN OPEN AND CLOSED SWITCH POSITIONS, A CONNECTOR MEMBER HAVING CONTACTS AND FIXEDLY MOUNTED ON SAID BOX, A SECOND CON-
Claim 2
Dependent Claim
119 words
IN COMBINATION, AN INTERLOCKING CONNECTOR AND SWITCH, A BOX ENCLOSING SAID SWITCH AND HAVING AN OPENABLE COVER, AN OPERATING HANDLE OUTSIDE THE BOX, SWITCH CONTACTS FIXEDLY MOUNTED IN SAID BOX, MOVABLE CONTACTS AND OPERATING MECHANISM FOR SAID MOVABLE CONTACTS IN THE BOX, SAID HANDLE ACTUATING SAID OPERATING MECHANISM FOR MOVING THE SWITCH BETWEEN OPEN AND CLOSED POSITIONS, MEANS ON SAID COVER AND OPERATING MECHANISM LOCKING SAID COVER CLOSED WHEN SAID SWITCH IS CLOSED AND PREVENTING OPERATION OF THE SWITCH WHEN THE COVER IS OPEN, A LOCKING MEMBER, SAID OPERATING MECHANISM MOVING SAID LOCKING MEMBER AS THE OPERATING MECHANISM MOVES BETWEEN OPEN AND CLOSED SWITCH POSITIONS, A CONNECTOR MEMBER HAVING CONTACTS AND FIXEDLY MOUNTED ON SAID BOX, A SECOND CON-
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |