Patent US4164561A successfully refreshed from Google Patents.
US4164561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insect repellent
Assignee: Individual
•
Filing: 1977-04-26
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Granted: 1979-08-14
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Expires: 1997-04-26
Abstract
Abstract An insect repellent containing perfume which includes citral, citronella oil, and diethyltoluamide.
Inventors
- 👤 Horst Hautmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:19
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/40; A61K8/42; Y; Y10; Y10S; Y10S424/00; Y10S424/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
37 words
A housefly repellent which consists essentially of: (A) about 85.70% by weight of perfume which contains 30% by weight of citral; (B) about 7.15% by weight of citronella oil; and (C) about 7.15% by weight of diethyltoluamide.
Claim 2
Dependent Claim
37 words
A housefly repellent which consists essentially of: (A) about 85.70% by weight of perfume which contains 30% by weight of citral; (B) about 7.15% by weight of citronella oil; and (C) about 7.15% by weight of diethyltoluamide.
Claim 3
Dependent Claim
14 words
The housefly repellent of claim 1 wherein said perfume is lemon, lime, or orange.
Claim 4
Dependent Claim
11 words
A porous carrier impregnated with the housefly repellent of claim 1.
Claim 5
Dependent Claim
11 words
The housefly repellent of claim 1 wherein said diethyltoluamide is m-diethyltoluamide.
Claim 6
Dependent Claim
11 words
The housefly repellent of claim 1 wherein said perfume is lemon.
Claim 7
Dependent Claim
42 words
The housefly repellent of claim 1 which consists essentially of: (A) about 85.70% by weight of a lemon perfume containing about 30% by weight of citral; (B) about 7.15% by weight of citronella oil; and (C) about 7.15% by weight of m-diethyltoluamide.
Claim 8
Dependent Claim
12 words
A cellulose porous carrier impregnated with the housefly repellent of claim 1.
Claim 9
Dependent Claim
12 words
An asbestos porous carrier impregnated with the housefly repellent of claim 1.
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) | 1982-08-13 | 1983-02-12 | 1983-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-13 | 1987-02-12 | 1987-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-13 | 1991-02-12 | 1991-08-14 | $7700.00 | Window Closed / Lapsed |