Patent US3177923A successfully refreshed from Google Patents.
US3177923A
Expired / Lapsed
US
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Gas burner
Assignee: YORK-LUXAIRE Inc A CORP OF DE
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Filing: 1961-11-27
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Granted: 1965-04-13
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Expires: 1981-11-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Louis P Hine
- 👤 Richard J Vales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:16
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/58; F23D14/583; F23D14/02; F23D14/04; F23D14/10; F23D14/105
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A LINT FREE GAS BURNER COMPRISING A MIXING TUBE HAVING A GAS INLET AND AN ELONGATED OPENING, AND A BURNER STRIP ACROSS SAID OPENING COMPOSED OF SHEET METAL OF THE ORDER OF .035 INCH IN THICKNESS HAVING ELONGATED PARALLEL SLOTS THEREIN OF THE ORDER OF .03 INCH IN WIDTH AND OVER 0.3 INCH IN LENGTH.
References Cited (Backward Citations)
GB189701393A
Cited
GB150246A
Cited
FR705778A
Cited
FR42777E
Cited
FR936418A
Cited
US2701610A
Cited
US2638976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |