Patent US2827782A successfully refreshed from Google Patents.
US2827782A
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US
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Liquefied petroleum gas lighter
Assignee: Individual
•
Filing: 1952-12-16
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Granted: 1958-03-25
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Expires: 1972-12-16
Abstract
No abstract record available.
Inventors
- 👤 Francis E Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:29
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/16; F23Q2/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US724685A
Cited
US2319819A
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US2566888A
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US2608081A
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US2618935A
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US2672038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |