US3931692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insect exterminator pad
Assignee: Individual
•
Filing: 1974-09-20
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Granted: 1976-01-13
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Expires: 1994-09-20
Abstract
Abstract The present insect exterminating pad has a quantity of insecticidal food particles covered on top by a paper web which has openings at the inside covered by dispersed fibers that can be penetrated by the feelers and mouth parts of Blatella germanica cockroach nymphs. The food particles are covered on the bottom by Kraft paper that cannot be so penetrated.
Inventors
- 👤 William A. Hermanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2027; A01M1/2055; A01M2200/00; A01M2200/01; A01M2200/011
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
87 words
An insecticidal pad having a quantity of poison food particles covered by a paper web having openings on the inside which are substantially larger than the feelers and mouth parts of Blatella germanica cockroach nymphs, said web on the outside having dispersed fibers which overlie and cross over said openings in random fashion over substantially the complete cross-sectional area of said openings and which the feelers and mouth parts of said nymphs can readily displace laterally and penetrate between to reach the poison food through said openings.
Claim 2
Dependent Claim
87 words
An insecticidal pad having a quantity of poison food particles covered by a paper web having openings on the inside which are substantially larger than the feelers and mouth parts of Blatella germanica cockroach nymphs, said web on the outside having dispersed fibers which overlie and cross over said openings in random fashion over substantially the complete cross-sectional area of said openings and which the feelers and mouth parts of said nymphs can readily displace laterally and penetrate between to reach the poison food through said openings.
Claim 3
Dependent Claim
29 words
An insecticidal pad according to claim 1, wherein said dispersed fibers on the outside of said web are waterlaid randomly over said openings on the inside of the web.
Claim 4
Dependent Claim
53 words
An insecticidal pad according to claim 1, wherein said web at the inside has interlaced fiber nests formed individually with said openings and individually surrounding said openings, and said dispersed fibers on the outside of the web are waterlaid randomly on said nests to overlie and cross over said openings in random fashion.
Claim 5
Dependent Claim
29 words
An insecticidal pad according to claim 3, wherein said openings are substantially oval, with a minor diameter of substantially 1 millimeter and a major diameter of substantially 2 millimeters.
Claim 6
Dependent Claim
50 words
An insecticidal pad according to claim 1, wherein said web has a thickness from the outside to the inside within the range from substantially 0.0025 inch to 0.005 inch to permit penetration through the complete thickness of the web by the feelers and mouth parts of Blatella germanica cockroach nymphs.
Claim 7
Dependent Claim
27 words
An insecticidal pad according to claim 1, and further comprising a bottom web sealed to said first-mentioned web, said bottom web being impenetrable by Blatella germanica nymphs.
Claim 8
Dependent Claim
30 words
An insecticidal pad according to claim 6, wherein said bottom web presents a wing projecting beyond one end of said first-mentioned web and foldable over the top of the latter.
Claim 9
Dependent Claim
30 words
An insecticidal pad according to claim 7, wherein said bottom web presents wings at its opposite ends projecting beyond said first-mentioned web and foldable over the top of the latter.
Claim 10
Dependent Claim
34 words
An insecticidal pad according to claim 5, and further comprising a Kraft paper bottom web heat sealed to said first-mentioned web around the latter's periphery, said bottom web being impenetrable by Blatella germanica nymphs.
Claim 11
Dependent Claim
57 words
An insecticidal pad according to claim 1, wherein: said web has a thickness within the range from substantially 0.0025 inch to 0.005 inch; said dispersed fibers on the outside of said web are waterlaid randomly over said openings; and said web on the inside has interlaced fiber nests formed individually with said openings and surrounding said openings.
Claim 12
Dependent Claim
31 words
An insecticidal pad according to claim 10, wherein each of said openings is substantially oval, with a minor diameter of substantially 1 millimeter and a major diameter of substantially 2 millimeters.
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) | 1979-01-12 | 1979-07-14 | 1980-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-12 | 1983-07-14 | 1984-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-12 | 1987-07-14 | 1988-01-13 | $7700.00 | Window Closed / Lapsed |