Patent US3311104A successfully refreshed from Google Patents.
US3311104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infra-red burner
Assignee: AEROIL PROD
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Filing: 1965-01-04
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Granted: 1967-03-28
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Wollner Paul
- 👤 Quayle Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:13
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/14; F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN AN INFRA-RED BURNER AN ELONGATED HOLLOW SHELL, SAID SHELL WHEN HORIZONTALLY DISPOSED HAVING A LOWER PERFORATED SURFACE OF UNIFORM CIRCUMFERENCE AND CROSS-SECTION THE ENTIRE LONGITUDINAL LENGTH THEREOF AND HAVING A LONGITUDINAL CHANNEL FORMED IN A PORTION OF ITS TOP SURFACE, THE DEPTH OF SAID CHANNEL PROGRESSIVELY INCREASING ALONG SAID PORTION THEREOF THEREBY PRODUCING ALONG A SUBSTANTIAL PORTION OF THE LENGTH OF SAID SHELL A PROGRESSIVE REDUCTION IN ITS CROSS-SECTIONAL AREA WITHOUT ALTERING THE CIRCUMFERENCE OF SAID PERFORATED SURFACE, AND A BURNER CONNECTED WITH SAID SHELL FOR PROJECTING A FLAME THEREIN.
Claim 2
Dependent Claim
91 words
IN AN INFRA-RED BURNER AN ELONGATED HOLLOW SHELL, SAID SHELL WHEN HORIZONTALLY DISPOSED HAVING A LOWER PERFORATED SURFACE OF UNIFORM CIRCUMFERENCE AND CROSS-SECTION THE ENTIRE LONGITUDINAL LENGTH THEREOF AND HAVING A LONGITUDINAL CHANNEL FORMED IN A PORTION OF ITS TOP SURFACE, THE DEPTH OF SAID CHANNEL PROGRESSIVELY INCREASING ALONG SAID PORTION THEREOF THEREBY PRODUCING ALONG A SUBSTANTIAL PORTION OF THE LENGTH OF SAID SHELL A PROGRESSIVE REDUCTION IN ITS CROSS-SECTIONAL AREA WITHOUT ALTERING THE CIRCUMFERENCE OF SAID PERFORATED SURFACE, AND A BURNER CONNECTED WITH SAID SHELL FOR PROJECTING A FLAME THEREIN.
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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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |