Patent US5153476A successfully refreshed from Google Patents.
Patent US2846557A successfully refreshed from Google Patents.
US2846557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor treating means
Assignee: Lanteris Space LLC
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Filing: 1955-09-09
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Granted: 1958-08-05
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Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
- 👤 Herman W Schulze
- 👤 Donald W Scofield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:20
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2007; F24C15/2014; F24C7/00; F24C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A HEATING UNIT WHEREIN AN ELONGATED HEATING ELEMENT EXTENDS ACROSS SUBSTANTIALLY AN ENTIRE ENCLOSURE: A SYSTEM OF TUBULAR BODIES OF CATALYTIC MATERIAL WITHIN SAID ENCLOSURE, THE HEATING ELEMENT COMPRISING A HELICAL COIL OF ELECTRICALLY CONDUCTIVE WIRE, SURROUNDING A FREE, CENTRAL SPACE, THE OUTSIDE OF THE COIL CONTACTING THE INSIDE OF EACH TUBULAR BODY, AND THE SYSTEM OF TUBULAR BODIES EXTENDING AT LEAST ACROSS A MAJOR PART OF SAID ENCLOSURE, TO INCINERATE THEREIN AIRBORNE MATERIALS SUCH AS ODORS AND SMOKE.
Claim 2
Dependent Claim
80 words
IN A HEATING UNIT WHEREIN AN ELONGATED HEATING ELEMENT EXTENDS ACROSS SUBSTANTIALLY AN ENTIRE ENCLOSURE: A SYSTEM OF TUBULAR BODIES OF CATALYTIC MATERIAL WITHIN SAID ENCLOSURE, THE HEATING ELEMENT COMPRISING A HELICAL COIL OF ELECTRICALLY CONDUCTIVE WIRE, SURROUNDING A FREE, CENTRAL SPACE, THE OUTSIDE OF THE COIL CONTACTING THE INSIDE OF EACH TUBULAR BODY, AND THE SYSTEM OF TUBULAR BODIES EXTENDING AT LEAST ACROSS A MAJOR PART OF SAID ENCLOSURE, TO INCINERATE THEREIN AIRBORNE MATERIALS SUCH AS ODORS AND SMOKE.
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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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |