US2758412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing and utilizing insecticidal vapor
Assignee: Individual
•
Filing: 1952-01-08
•
Granted: 1956-08-14
•
Expires: 1972-01-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert B Loibl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:35
CPC Classifications
A; A01; A01M; A01M13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
APPARATUS FOR PRODUCING AND PROJECTING INSECTICIDAL VAPOR INTO AN ENCLOSED SPACE, COMPRISING: A THERMAL CHAMBER; ELECTRICAL MEANS EFFECTIVE TO HEAT AN AREA OF SAID CHAMBER TO A TEMPERATURE SUFFICIENT TO INSTANTLY VAPORIZE GRANULAR INSECTICIDUAL MATERIAL; HEAT INSULATION MEANS MAINTAINING THE INTERIOR SURFACE OF THE SIDE WALLS OF SAID CHAMBER AT A SUFFICIENT TEMPERATURE TO PREVENT DEPOSIT OF INSECTICIDAL MATERIAL THEREON FROM THE VAPOR FORMED IN SAID CHAMBER; A HOPPER FOR HOLDING A SUPPLY OF GRANULAR INSECTICIDUAL MATERIAL MOUNTED ABOVE SAID THERMAL CHAMBER; MEANS FOR DELIVERING A CONTINUOUS SUCCESSION OF SMALL CHARGES OF GRANULAR MATERIAL FROM SAID HOPPER INTO SAID THERMAL CHAMBER TO IMPINGE UPON THE AREA OF SAID CHAMBER INSTANTLY VAPORIZING THE MATERIAL; AN ELECTRIC MOTOR FOR OPERATING SAID MATERIAL DELIVERING MEANS; A BLOWER
Claim 2
Dependent Claim
124 words
APPARATUS FOR PRODUCING AND PROJECTING INSECTICIDAL VAPOR INTO AN ENCLOSED SPACE, COMPRISING: A THERMAL CHAMBER; ELECTRICAL MEANS EFFECTIVE TO HEAT AN AREA OF SAID CHAMBER TO A TEMPERATURE SUFFICIENT TO INSTANTLY VAPORIZE GRANULAR INSECTICIDUAL MATERIAL; HEAT INSULATION MEANS MAINTAINING THE INTERIOR SURFACE OF THE SIDE WALLS OF SAID CHAMBER AT A SUFFICIENT TEMPERATURE TO PREVENT DEPOSIT OF INSECTICIDAL MATERIAL THEREON FROM THE VAPOR FORMED IN SAID CHAMBER; A HOPPER FOR HOLDING A SUPPLY OF GRANULAR INSECTICIDUAL MATERIAL MOUNTED ABOVE SAID THERMAL CHAMBER; MEANS FOR DELIVERING A CONTINUOUS SUCCESSION OF SMALL CHARGES OF GRANULAR MATERIAL FROM SAID HOPPER INTO SAID THERMAL CHAMBER TO IMPINGE UPON THE AREA OF SAID CHAMBER INSTANTLY VAPORIZING THE MATERIAL; AN ELECTRIC MOTOR FOR OPERATING SAID MATERIAL DELIVERING MEANS; A BLOWER
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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) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |