Patent US3334217A successfully refreshed from Google Patents.
US3334217A
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Simulation of solar radiation
Assignee: Hoffman Electronics Corp
•
Filing: 1962-04-12
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Granted: 1967-08-01
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Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 Donald B Bickler
- 👤 Hans S Rauschenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:37
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/006; B; B64; B64G; B64G7/00; Y; Y10; Y10S; Y10S136/00; Y10S136/29
Claims Analysis
Total Claims: 0
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |