US5050269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control knob
Assignee: Motorola Solutions Inc
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Filing: 1990-12-28
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Granted: 1991-09-24
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Expires: 2010-12-28
Abstract
Abstract A knob (100) comprises an inner portion (105) made of a nonmetallic material and an outer portion (102) molded over the inner portion (105). The outer portion (102) comprises a material having a reduced hardness factor with respect to the inner portion (105).
Inventors
- 👤 Scott M. Engstrom
- 👤 Pete B. Gilmore
- 👤 Quah T. Hoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:29
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/08; H01H3/10; G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/12; Y; Y10; Y10S; Y10S16/00; Y10S16/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
112 words
An instrument control knob comprising: an inner portion comprising a plastic material having a substantially cylindrically main body; a blade portion longitudinally attached to said main body, an outer portion comprising a substantially cylindrical body having an outer surface and a cylindrical bore defined therein; said bore having a longitudinal slot communicating with said outer surface, said outer portion fitting over said inner portion so that at least a part of the inner portion is visible through the slot and the outer portion comprising a plastic material having a reduced hardness factor with respect to the inner portion; the color of the outer portion being different from that of the inner portion.
Claim 2
Dependent Claim
112 words
An instrument control knob comprising: an inner portion comprising a plastic material having a substantially cylindrically main body; a blade portion longitudinally attached to said main body, an outer portion comprising a substantially cylindrical body having an outer surface and a cylindrical bore defined therein; said bore having a longitudinal slot communicating with said outer surface, said outer portion fitting over said inner portion so that at least a part of the inner portion is visible through the slot and the outer portion comprising a plastic material having a reduced hardness factor with respect to the inner portion; the color of the outer portion being different from that of the inner portion.
Claim 3
Dependent Claim
15 words
The knob of claim 1, wherein the outer portion is molded over the inner portion.
References Cited (Backward Citations)
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US1632227A
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US2507392A
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US3061869A
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US3313057A
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US4499630A
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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) | 1994-09-23 | 1995-03-25 | 1995-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-23 | 1999-03-25 | 1999-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-23 | 2003-03-25 | 2003-09-24 | $7700.00 | Window Closed / Lapsed |