Patent US2066517A successfully refreshed from Google Patents.
US2066517A
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US
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Metallic bulb and holder
Assignee: SPARKLETS Ltd
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Filing: 1935-11-22
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Granted: 1937-01-05
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Expires: 1955-11-22
Abstract
No abstract record available.
Inventors
- 👤 Campbell Robert Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/66; A62C13/70; F; F17; F17C; F17C1/00; F17C13/00; F17C13/08; F17C13/084; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0123; F17C2201/03; F17C2201/035; F17C2201/05; F17C2201/058; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0614; F17C2203/0617; F17C2203/0634; F17C2203/0636; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0107; F17C2205/0123; F17C2205/0126; F17C2205/03; F17C2205/0302; F17C2205/0305; F17C2205/0311; F17C2205/032; F17C2205/0382; F17C2221/00; F17C2221/01; F17C2221/013; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/035; F17C2223/036; F17C2260/00; F17C2260/01; F17C2260/011; F17C2270/00; F17C2270/07; F17C2270/0736; F17C2270/0754; F17C2270/0772
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-01-05 | 1940-07-06 | 1941-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-05 | 1944-07-06 | 1945-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-05 | 1948-07-06 | 1949-01-05 | $7700.00 | Window Closed / Lapsed |