Patent BE828152A successfully refreshed from Google Patents.
US2228342A
Expired / Lapsed
US
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Incandescent electric lamp
Assignee: Claude Paz et Visseaux SA
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Filing: 1939-06-14
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Granted: 1941-01-14
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Expires: 1959-06-14
Abstract
No abstract record available.
Inventors
- 👤 Claude Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:39
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/22; D01F; D01F6/00; D01F6/02; D01F6/18; H; H01; H01K; H01K1/00; H01K1/28; H01K1/34; H01K1/58; Y; Y02; Y02B; Y02B20/00
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) | 1944-01-14 | 1944-07-15 | 1945-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-14 | 1948-07-15 | 1949-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-14 | 1952-07-15 | 1953-01-14 | $7700.00 | Window Closed / Lapsed |