Patent US2854067A successfully refreshed from Google Patents.
US2854067A
Expired / Lapsed
US
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Torch head
Assignee: BROWNING TORCH Corp
•
Filing: 1954-11-24
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Granted: 1958-09-30
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Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Walter J Cairns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:46
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/48; F23D14/52; F23D14/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190701056A
Cited
US1242243A
Cited
FR499959A
Cited
US1689551A
Cited
CH140529A
Cited
DE515537C
Cited
US1926438A
Cited
US2204756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |