Patent US1544258A successfully refreshed from Google Patents.
Patent US3130569A successfully refreshed from Google Patents.
US3130569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquefied petroleum flood light
Assignee: Individual
•
Filing: 1961-12-26
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Granted: 1964-04-28
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 William W Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:02
CPC Classifications
F; F21; F21S; F21S13/00; F21S13/02; F21S13/10; F21S8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A BURNER FOR A L IQUIEFIED PETROLEUM GAS BURNING FLOOD LIGHT COMPRISING A MAIN BODY HAVING A PASSAGEWAY THEREIN FOR CONNECTION TO A CONDUIT THROUGH WHICH A COMBUSTIBLE MIXTURE OF LIQUEFIED PETROLEUM GAS AND AIR MAY BE SUPPLIED UNDER PRESSURE, SAID BODY HAVING A TUBULAR PORTION CLOSED AT ITS OUTER END EXTENDING FROM SAID BODY AND COMMUNICATING WITH SAID JPASSAGEWAY, SAID BODY HAVING A PORTION AT ITS OUTER END PROVIDED WITH OPENINGS ABOUT SAID TUBULAR PORTION AND IN COMMUNICATION WITH SAID PASSAGEWAY FOR DIRECTING A PORTION OF SAID GASEOUS MIXTURE FROM SAID PASSAGEWAY ABOUT AND IN A DIRECTION GENERALLY LONGITUDINALLY OF SAID TUBULAR PORTION, SAID TUBULAR PORTION HAVING OPENINGS IN THE SIDES THEREOF FOR THE DISCHARGE OF A PORTION OF SAID GASEOUS MIXTURE, SAID TUBULAR PORTION HAVING A SHIELD POSITIONED THEREABOUT JOPPOSITE AND SPACED FROM THE PART OF SAID TUBULAR PORTION HAVING SAID OPENINGS THEREIN, SAID SHIELD HAVING A PORTION
Claim 2
Dependent Claim
150 words
A BURNER FOR A L IQUIEFIED PETROLEUM GAS BURNING FLOOD LIGHT COMPRISING A MAIN BODY HAVING A PASSAGEWAY THEREIN FOR CONNECTION TO A CONDUIT THROUGH WHICH A COMBUSTIBLE MIXTURE OF LIQUEFIED PETROLEUM GAS AND AIR MAY BE SUPPLIED UNDER PRESSURE, SAID BODY HAVING A TUBULAR PORTION CLOSED AT ITS OUTER END EXTENDING FROM SAID BODY AND COMMUNICATING WITH SAID JPASSAGEWAY, SAID BODY HAVING A PORTION AT ITS OUTER END PROVIDED WITH OPENINGS ABOUT SAID TUBULAR PORTION AND IN COMMUNICATION WITH SAID PASSAGEWAY FOR DIRECTING A PORTION OF SAID GASEOUS MIXTURE FROM SAID PASSAGEWAY ABOUT AND IN A DIRECTION GENERALLY LONGITUDINALLY OF SAID TUBULAR PORTION, SAID TUBULAR PORTION HAVING OPENINGS IN THE SIDES THEREOF FOR THE DISCHARGE OF A PORTION OF SAID GASEOUS MIXTURE, SAID TUBULAR PORTION HAVING A SHIELD POSITIONED THEREABOUT JOPPOSITE AND SPACED FROM THE PART OF SAID TUBULAR PORTION HAVING SAID OPENINGS THEREIN, SAID SHIELD HAVING A PORTION
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |