US3025379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined electric heater and light fixture
Assignee: Emerson Pryne Co
•
Filing: 1958-07-14
•
Granted: 1962-03-13
•
Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Harold H Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:10
CPC Classifications
F; F21; F21V; F21V33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1987471A
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US2236561A
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FR982088A
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US2554647A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |