Patent US2567780A successfully refreshed from Google Patents.
US2567780A
Expired / Lapsed
US
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Hurricane lamp adapter for candlesticks
Assignee: International Silver Co
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Filing: 1950-10-14
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Granted: 1951-09-11
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Expires: 1970-10-14
Abstract
No abstract record available.
Inventors
- 👤 William P Oppelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:17
CPC Classifications
F; F21; F21S; F21S13/00; F21S13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |