US3290475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microswitch holder-assembly
Assignee: MERRILL MACHINERY CO
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Filing: 1964-12-23
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Granted: 1966-12-06
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Charles F Bross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:23
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H02; H02B; H02B1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A MICROSWITCH ASSEMBLY COMPRISING, (A) A RECTANGULAR SHAPED HOLLOW HOUSING HAVING FOUR WALLS DEFINING TWO OPPOSED OPEN FACES; (B) A PLATE SECURED TO ONE OF SAID FACES OF SAID HOUSING TO CLOSE THE OPENING; (C) AN INSULATION CORE FILLING SUBSTANTIALLY HALF OF SAID HOUSING ABOVE SAID PLATE AND HAVING IN ITS UPPER EXPOSED SURFACE A CENTRAL RECESS; (D) A PLURALITY OF CONDUCTRS EACH ATTACHED TO AN APERTURE TERMINAL CONTACT AND FIXEDLY EMBEDDED IN THE INSULATION CORE WITH THE TERMINAL CONTACTS SEATED EXPOSED IN DEPRESSIONS IN THE UPPER FACE OF SAID INSULATION CORE; (E) A MICROSWITCH DIMENSIONED TO SIT IN SAID HOUSING ABOVE THE INSULATION CORE AND HAVING A CENTRAL DOWNWARD PROJECTION ON ITS BOTTOM SURFACE COMPLEMENTING SAID RECESS IN THE UPPER SURFACE OF SAID INSULATION CORE, SAID PROJECTION TO BE SNUGLY RECEIVED IN SAID RECESS TO PRECLUDE LATERAL MOVEMENT OF THE MICROSWITCH WITH RESPECT TO SAID CORE; AND (F) KNOB SHAPED TERMINAL CONTACTS FIXED ON THE FACE OF THE MICROSWITCH OPPOSED TO THE INSULATION CORE AND DIMENSIONED TO SNAP INTO AND OUT OF SAID RESPECTIVE APERTURED CONDUCTOR TERMINAL CONTACTS WHEN THE MICROSWITCH IS SEATED INTO OR REMOVED FROM SAID HOUSING.
Claim 2
Dependent Claim
190 words
A MICROSWITCH ASSEMBLY COMPRISING, (A) A RECTANGULAR SHAPED HOLLOW HOUSING HAVING FOUR WALLS DEFINING TWO OPPOSED OPEN FACES; (B) A PLATE SECURED TO ONE OF SAID FACES OF SAID HOUSING TO CLOSE THE OPENING; (C) AN INSULATION CORE FILLING SUBSTANTIALLY HALF OF SAID HOUSING ABOVE SAID PLATE AND HAVING IN ITS UPPER EXPOSED SURFACE A CENTRAL RECESS; (D) A PLURALITY OF CONDUCTRS EACH ATTACHED TO AN APERTURE TERMINAL CONTACT AND FIXEDLY EMBEDDED IN THE INSULATION CORE WITH THE TERMINAL CONTACTS SEATED EXPOSED IN DEPRESSIONS IN THE UPPER FACE OF SAID INSULATION CORE; (E) A MICROSWITCH DIMENSIONED TO SIT IN SAID HOUSING ABOVE THE INSULATION CORE AND HAVING A CENTRAL DOWNWARD PROJECTION ON ITS BOTTOM SURFACE COMPLEMENTING SAID RECESS IN THE UPPER SURFACE OF SAID INSULATION CORE, SAID PROJECTION TO BE SNUGLY RECEIVED IN SAID RECESS TO PRECLUDE LATERAL MOVEMENT OF THE MICROSWITCH WITH RESPECT TO SAID CORE; AND (F) KNOB SHAPED TERMINAL CONTACTS FIXED ON THE FACE OF THE MICROSWITCH OPPOSED TO THE INSULATION CORE AND DIMENSIONED TO SNAP INTO AND OUT OF SAID RESPECTIVE APERTURED CONDUCTOR TERMINAL CONTACTS WHEN THE MICROSWITCH IS SEATED INTO OR REMOVED FROM SAID HOUSING.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |