Patent US1404362A successfully refreshed from Google Patents.
US1404362A
Expired / Lapsed
US
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Electric flash lamp
Assignee: WER MVL 1998 Ltd
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Filing: 1921-08-12
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Granted: 1922-01-24
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Expires: 1941-08-12
Abstract
No abstract record available.
Inventors
- 👤 Goodfellow Magnus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:37
CPC Classifications
F; F21; F21L; F21L4/00
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) | 1925-01-23 | 1925-07-25 | 1926-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-23 | 1929-07-25 | 1930-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-23 | 1933-07-25 | 1934-01-24 | $7700.00 | Window Closed / Lapsed |