US3058394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflector for solar heaters
Assignee: EIDP Inc
•
Filing: 1959-06-26
•
Granted: 1962-10-16
•
Expires: 1979-06-26
Abstract
No abstract record available.
Inventors
- 👤 Frank E Edlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:21
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/08; F; F24; F24S; F24S23/00; F24S23/70; F24S23/80; F24S2023/87; F24S2023/872; Y; Y02; Y02E; Y02E10/00; Y02E10/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US340490A
Cited
GB190819900A
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US1390258A
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US1535985A
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US1951404A
Cited
US2547342A
Cited
US2625930A
Cited
US2707903A
Cited
US2751816A
Cited
US2698561A
Cited
US2859745A
Cited
US2945417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |