Patent US3103060A successfully refreshed from Google Patents.
US3103060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Commutator
Assignee: Teletrak Corp
•
Filing: 1958-02-24
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Granted: 1963-09-10
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Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 James P Fay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:37
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: 1
Claim 1
Independent Claim
120 words
A METHOD FOR MAKING A COMMUTATOR UNIT COMPRISING THE STEPS OF PROVIDING A DESIRED LENGTH OF PREFORMED COMMUTATOR BLANK, SAID BLANK INCLUDING A SUPPORTING MEMBER HAVING AN ELECTRICAL INSULATING OUTER SURFACE AND A CONDUCTING LAYER DEPOSITED IN COVERING RELATION WITH RESPECT TO SAID INSULATING SURFACE; CUTTING A PLURALITY AND GROOVES THROUGH SAID CONDUCTING LAYER OF SAID LENGTH OF BLANK TO FORM A PLURALITY OF SPACED CONDUCTING ELEMENTS; DEPOSITING AN OUTER LAYER OF INSULATING MATERIAL OVER SAID LENGTH OF BLANK TO SUBSTANTIALLY COVER SAID ELEMENTS AND FILL THE SPACES THEREBETWEEN; REDUCING THE THICKNESS OF SAID OUTER INSULATING LAYER TO EXPOSE THE OUTER SURFACE OF SAID CONDUCTING ELEMENTS; AND THEREAFTER CONNECTING LEAD WIRES TO SAID ELEMENTS FOR THE PASSAGE OF ELECTRICITY THERETHROUGH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |