US3309549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush holder assembly and mounting
Assignee: MSL IND Inc
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Filing: 1963-07-17
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Granted: 1967-03-14
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Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 Gary G Bluemink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:50
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/38; H01R39/41; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49826; Y10T29/49833; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49908; Y10T29/49915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A MOTOR OR THE LIKE, THE COMBINATION WITH A DIE CAST SHELL HAVING A SHAFT BEARING AND A GENERALLY RADIAL OPENING, SAID SHELL HAVING A SHOULDER ABOUT THE OPENING AND AN OUTWARDLY OPENING CAVITY CONSTITUTING AN ENCLOSED PART OF THE OPENING BEYOND THE SHOULDER, SAID SHELL HAVING AN INTEGRAL RIB PROJECTING INTO THE CAVITY AND INTEGRAL WITH THE SHOULDER, OF AN ELECTRICALLY INSULATING BRUSH HOLDER IN THE OPENING HAVING AN ENLARGED HEAD SEATED ON THE SHOULDER AND FITTED IN THE CAVITY AND IN WHICH SAID RIB IS EMBEDDED, SAID RIB SECURING SAID BRUSH HOLDER AGAINST ROTATION IN THE OPENING, AND MEANS FOR CONFINING THE BRUSH HOLDER AGAINST AXIAL DISPLACEMENT FROM THE OPENING.
Claim 2
Dependent Claim
113 words
IN A MOTOR OR THE LIKE, THE COMBINATION WITH A DIE CAST SHELL HAVING A SHAFT BEARING AND A GENERALLY RADIAL OPENING, SAID SHELL HAVING A SHOULDER ABOUT THE OPENING AND AN OUTWARDLY OPENING CAVITY CONSTITUTING AN ENCLOSED PART OF THE OPENING BEYOND THE SHOULDER, SAID SHELL HAVING AN INTEGRAL RIB PROJECTING INTO THE CAVITY AND INTEGRAL WITH THE SHOULDER, OF AN ELECTRICALLY INSULATING BRUSH HOLDER IN THE OPENING HAVING AN ENLARGED HEAD SEATED ON THE SHOULDER AND FITTED IN THE CAVITY AND IN WHICH SAID RIB IS EMBEDDED, SAID RIB SECURING SAID BRUSH HOLDER AGAINST ROTATION IN THE OPENING, AND MEANS FOR CONFINING THE BRUSH HOLDER AGAINST AXIAL DISPLACEMENT FROM THE OPENING.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |