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US2091857A
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US
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Light-buoy and method for feeding same
Assignee: MEAF Machinerieen en Apparaten Fabrieken NV
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Filing: 1933-03-30
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Granted: 1937-08-31
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Expires: 1953-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jaedicke Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:51
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/16; B63B22/166; B63B2201/00; B63B2201/04; B63B2201/06
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) | 1940-08-30 | 1941-03-01 | 1941-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-30 | 1945-03-01 | 1945-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-30 | 1949-03-01 | 1949-08-31 | $7700.00 | Window Closed / Lapsed |