US2603607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke generating device
Assignee: Individual
•
Filing: 1944-02-07
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Granted: 1952-07-15
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Expires: 1964-02-07
Abstract
No abstract record available.
Inventors
- 👤 Stevenson Reston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:53
CPC Classifications
F; F41; F41H; F41H9/00; F41H9/06; F41H9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A DEVICE GENERATING A SMOKE HAVING NOXIOUS PHYSIOLOGICAL EFFECTS FROM A SOLID MATERIAL HAVING A TENDENCY TO DECOMPOSE WHEN VAPORIZED IN THE DEVICE AT AN ELEVATED TEMPERATURE; SAID DEVICE BEING TUBULAR IN VERTICAL CROSS SECTION AND INCLUDING AN UPPPER CHAMBER PORTION AND A LOWER CHAMBER PORTION ADAPTED TO BE READILY CONNECTED TOGETHER IN A SUBSTANTIALLY AIRTIGHT MANNER AND WHEN SO CONNECTED ARE SEPARTED FROM EACH OTHER BY A GAS PERVIOUS DIAPHRAGM ADAPTED TO PREVENT THE PASSAGE OF LARGE PARTICLES OF SOLID MATERIAL BETWEEN SAID CHAMBER PORTIONS, SAID UPPER PORTION BEING PROVIDED WITH A FLAT, BROAD VENTURI TYPE PROJECTOR CONSISTING OF A NOZZLE MEMBER OPERATIVELY SECURED AND IN COMMUNICATION WITH SAID UPPER CHAMBER PORTION AND HAVING ON ITS OUTER END PORTION A TUBULAR MEMBER OPEN AT EITHER OF ITS END PORTIONS TO THE OUTER ATMPSPHERE AND HAVING ITS UPPER AND LOWER WALL PORTIONS ARCUATE IN FORM AND CONVERGING AT THEIR MIDSECTIONS IN A MANNER ADAPTED TO MIX ATMOSPHERIC AIR WITH THE SMOKE PROJECTED FROM SAID NOZZLE BETWEEN SAID UPPER AND LOWER WALL PORTIONS AND TO PROJECT THE INTERMINGLED AIR AND SMOKE INTO SAID AIR IN A RIBBON-LIKE STREAM.
Claim 2
Independent Claim
187 words
A DEVICE GENERATING A SMOKE HAVING NOXIOUS PHYSIOLOGICAL EFFECTS FROM A SOLID MATERIAL HAVING A TENDENCY TO DECOMPOSE WHEN VAPORIZED IN THE DEVICE AT AN ELEVATED TEMPERATURE; SAID DEVICE BEING TUBULAR IN VERTICAL CROSS SECTION AND INCLUDING AN UPPPER CHAMBER PORTION AND A LOWER CHAMBER PORTION ADAPTED TO BE READILY CONNECTED TOGETHER IN A SUBSTANTIALLY AIRTIGHT MANNER AND WHEN SO CONNECTED ARE SEPARTED FROM EACH OTHER BY A GAS PERVIOUS DIAPHRAGM ADAPTED TO PREVENT THE PASSAGE OF LARGE PARTICLES OF SOLID MATERIAL BETWEEN SAID CHAMBER PORTIONS, SAID UPPER PORTION BEING PROVIDED WITH A FLAT, BROAD VENTURI TYPE PROJECTOR CONSISTING OF A NOZZLE MEMBER OPERATIVELY SECURED AND IN COMMUNICATION WITH SAID UPPER CHAMBER PORTION AND HAVING ON ITS OUTER END PORTION A TUBULAR MEMBER OPEN AT EITHER OF ITS END PORTIONS TO THE OUTER ATMPSPHERE AND HAVING ITS UPPER AND LOWER WALL PORTIONS ARCUATE IN FORM AND CONVERGING AT THEIR MIDSECTIONS IN A MANNER ADAPTED TO MIX ATMOSPHERIC AIR WITH THE SMOKE PROJECTED FROM SAID NOZZLE BETWEEN SAID UPPER AND LOWER WALL PORTIONS AND TO PROJECT THE INTERMINGLED AIR AND SMOKE INTO SAID AIR IN A RIBBON-LIKE STREAM.
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) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |