Patent US3287514A successfully refreshed from Google Patents.
US3287514A
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Circuit interrupters with improved snap acting operating mechanism
Assignee: Federal Pacific Electric Co
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Filing: 1964-09-04
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Granted: 1966-11-22
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Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Bachman Anatole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:37
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/635; H01H1/00; H01H1/12; H01H1/36; H01H1/365; H01H21/00; H01H21/02; H01H21/18; H01H21/36; H01H21/40; H01H21/42; H01H71/00; H01H71/10; H01H71/50; H01H71/56; H01H2071/565; H01H9/00; H01H9/0072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A CIRCUIT INTERRUPTER INCLUDING A CASING HAVING A BASE LYING IN A GIVEN PLANE AND UNPSTANDING WALLS DEFINING A PLURALITY OF POLE SPACES, A PAIR OF STATIONARY CONTACTS MOUNTED ON SAID BASE IN EACH OF SAID POLE SPACES, MOVABLE CONTACTS IN EACH OF SAID POLE SPACES, SAID MOVABLE CONTACTS BEING MOVABLE IN A DIRECTION PERPENDICULAR TO THE PLANE OF SAID BASE FROM A POSITION ENGAGING SAID STATIONARY CONTACTS TO A REMOTE POSITION, OPERATING MECHANISM FOR SAID INTERRUPTER MOUNTED ON SAID CASING, SAID OPERATING MECHANISM INCLUDING OVERCENTERING SPRING MEANS, SAID OVERCENTERING SPRING MEANS BEING OPERABLE IN A PLANE PARALLEL TO THE PLANE OF SAID BASE, AND MEANS INTERCONNECTING SAID MOVABLE CONTACTS AND SAID OPERATING MECHANISM FORT SNAP ACTING CONJOINT RECIPROCATING MOVEMENT OF SAID MOVABLE CONTACTS BETWEEN SAID ENGAGED AND REMOTE POSITIONS.
Claim 2
Dependent Claim
130 words
A CIRCUIT INTERRUPTER INCLUDING A CASING HAVING A BASE LYING IN A GIVEN PLANE AND UNPSTANDING WALLS DEFINING A PLURALITY OF POLE SPACES, A PAIR OF STATIONARY CONTACTS MOUNTED ON SAID BASE IN EACH OF SAID POLE SPACES, MOVABLE CONTACTS IN EACH OF SAID POLE SPACES, SAID MOVABLE CONTACTS BEING MOVABLE IN A DIRECTION PERPENDICULAR TO THE PLANE OF SAID BASE FROM A POSITION ENGAGING SAID STATIONARY CONTACTS TO A REMOTE POSITION, OPERATING MECHANISM FOR SAID INTERRUPTER MOUNTED ON SAID CASING, SAID OPERATING MECHANISM INCLUDING OVERCENTERING SPRING MEANS, SAID OVERCENTERING SPRING MEANS BEING OPERABLE IN A PLANE PARALLEL TO THE PLANE OF SAID BASE, AND MEANS INTERCONNECTING SAID MOVABLE CONTACTS AND SAID OPERATING MECHANISM FORT SNAP ACTING CONJOINT RECIPROCATING MOVEMENT OF SAID MOVABLE CONTACTS BETWEEN SAID ENGAGED AND REMOTE POSITIONS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |