US3652197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonconsumable wick
Assignee: RICHARD D TOKARZ
•
Filing: 1970-05-12
•
Granted: 1972-03-28
•
Expires: 1990-05-12
Abstract
Abstract A wick is formed by a plurality of hollow ceramic microspheres adhered together with epoxy resin which is capable of absorbing flammable liquids and transporting the liquid by capillary action above the reservoir of the flammable liquid.
Inventors
- 👤 Richard D Tokarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:16
CPC Classifications
F; F21; F21V; F21V37/00; F21V37/0095
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
22 words
A non-consumable wick as defined in claim 1 wherein each of the ceramic spheres has a diameter of less than one-quarter inch.
Claim 2
Dependent Claim
22 words
The non-consumable wick as defined in claim 1 wherein each of the ceramics spheres has a diameter between 0.01 and 0.0001 millimeters.
Claim 3
Dependent Claim
23 words
The non-consumable wick as defined in claim 1 wherein the ceramic spheres are adhered together by an adhesive material forming the solid body.
Claim 4
Dependent Claim
20 words
The non-consumable wick as defined in claim 4 wherein the ceramic spheres are adhered together with an epoxy resin adhesive.
Claim 5
Dependent Claim
26 words
The non-consumable wick as defined in claim 4 wherein the solid body is capable of absorbing at least 50 percent by weight of the flammable liquid.
Claim 6
Dependent Claim
50 words
The non-consumable wick as defined in claim 1 wherein the means for preventing drifting includes anchor means having one end affixed to the solid body and a lower end extending downward from the body to engage a bottom of the liquid wax reservoir to prevent the solid body from drifting.
Claim 7
Dependent Claim
48 words
The non-consumable wick as defined in claim 1 wherein the means for preventing drifting includes a weight secured to the solid body to lower the solid body in the liquid wax reservoir and engage a bottom of the liquid wax reservoir to prevent the solid body from drifting.
References Cited (Backward Citations)
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US1738138A
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US1920384A
Cited
US2978340A
Cited
US3484371A
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US3338691A
Cited
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Cited
US3413967A
Cited
US3556698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |