Patent EP0093595A1 successfully refreshed from Google Patents.
US2007489A
Expired / Lapsed
US
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Heat dissipating fixture
Assignee: Benjamin Electric Manufacturing Co
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Filing: 1933-03-03
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Granted: 1935-07-09
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Expires: 1953-03-03
Abstract
No abstract record available.
Inventors
- 👤 Westberg Vivian Luther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:13
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/85; F21V29/89; F21V29/50; F21V29/70; F21V29/74; F21V15/00; F21V15/01
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) | 1938-07-08 | 1939-01-07 | 1939-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-08 | 1943-01-07 | 1943-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-08 | 1947-01-07 | 1947-07-09 | $7700.00 | Window Closed / Lapsed |