US2673282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable flash lamp
Assignee: ANONIMA APPARECCHI FOTOGRAFICI
•
Filing: 1950-09-08
•
Granted: 1954-03-23
•
Expires: 1970-09-08
Abstract
No abstract record available.
Inventors
- 👤 D Incerti Lodovico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:31
CPC Classifications
F; F21; F21K; F21K5/00; F21K5/02; F21K5/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1044689A
Cited
FR522303A
Cited
US1440694A
Cited
US1543293A
Cited
US1658189A
Cited
FR860512A
Cited
US2543926A
Cited
US2479716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |