US3518475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush and brush holder assembly
Assignee: Ametek Inc
•
Filing: 1966-08-15
•
Granted: 1970-06-30
•
Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Albert L Sebok
- 👤 John H Porter
- 👤 Everal B Mcbroom Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:15
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/38; H01R39/381
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE17954C
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FR620114A
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DE658776C
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US2194620A
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DE835167C
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US2695968A
Cited
DE891288C
Cited
GB732470A
Cited
US2864019A
Cited
US3025421A
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US3133218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |