US3102965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutator and method of making the same
Assignee: AMHERST METAL PRODUCTS Inc
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Filing: 1960-09-06
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Granted: 1963-09-03
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Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Gilbert P Ickes
- 👤 Robert W Marsh
- 👤 Robert J Plas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/06; H01R43/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD OF MAKING COMMUTATORS WHICH COMPRISES FORMING AN ELONGATED METAL STRIP HAVING A THICKENED MIDPORTION WITH PARALLEL MARGINAL SHOULDERS AND INTEGRAL SIDE WING PORTIONS, THE MID-PORTION BEING OF A THICKNESS CORRESPONDING TO THAT OF COMMUTATOR BARS AND THE WING PORTIONS BEING OF SUBSTANTIALLY LESS THICKNESS, SLITTING THE SIDE PORTIONS TO FORM SEPARATED TRANSVERSELY ALIGNED PROJECTIONS, AND THEN BENDING SAID PROJECTIONS INWARDLY AT EACH SIDE OF THE MID-PORTION, SHAPING SAID PROJECTIONS TO FORM ANCHORING FINGERS TO PROJECT AT RIGHT ANGLES FROM THE MIDPORTION AND THEN LATERALLY TO PROVIDE ANCHORING ENDS ON SAID FINGERS, PROVIDING A RIGID HUB PORTION, AFFIXING A RADIAL DISK TO ONE END THEREOF HAVING A SHORT CYLINDRICAL FLANGE TURNED TOWARD THE HUB, CONVOLUTING SAID MID-PORTION INTO A CYLINDER WITH MEETING ENDS, AND PLACING THE HUB POR-
Claim 2
Independent Claim
129 words
A METHOD OF MAKING COMMUTATORS WHICH COMPRISES FORMING AN ELONGATED METAL STRIP HAVING A THICKENED MIDPORTION WITH PARALLEL MARGINAL SHOULDERS AND INTEGRAL SIDE WING PORTIONS, THE MID-PORTION BEING OF A THICKNESS CORRESPONDING TO THAT OF COMMUTATOR BARS AND THE WING PORTIONS BEING OF SUBSTANTIALLY LESS THICKNESS, SLITTING THE SIDE PORTIONS TO FORM SEPARATED TRANSVERSELY ALIGNED PROJECTIONS, AND THEN BENDING SAID PROJECTIONS INWARDLY AT EACH SIDE OF THE MID-PORTION, SHAPING SAID PROJECTIONS TO FORM ANCHORING FINGERS TO PROJECT AT RIGHT ANGLES FROM THE MIDPORTION AND THEN LATERALLY TO PROVIDE ANCHORING ENDS ON SAID FINGERS, PROVIDING A RIGID HUB PORTION, AFFIXING A RADIAL DISK TO ONE END THEREOF HAVING A SHORT CYLINDRICAL FLANGE TURNED TOWARD THE HUB, CONVOLUTING SAID MID-PORTION INTO A CYLINDER WITH MEETING ENDS, AND PLACING THE HUB POR-
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |