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US2620643A
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Gas lighter
Assignee: RONSON ART METAL WORK Inc
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Filing: 1949-12-30
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Granted: 1952-12-09
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Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Warren I Nissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:19
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/16; F23Q2/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578430A
Cited
US1508600A
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US1813122A
Cited
FR787706A
Cited
DE678165C
Cited
FR815729A
Cited
US2513720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |