US2648764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recessed light fixture having heat insulated corner for terminals
Assignee: Kirlin Co
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Filing: 1950-02-03
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Granted: 1953-08-11
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Expires: 1970-02-03
Abstract
No abstract record available.
Inventors
- 👤 Ivan M Kirlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:13
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21S8/026; F21V; F21V27/00; F21V27/005; F21V29/00; F21V29/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |