US2913583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar tracking system or the like
Assignee: Hoffman Electronics Corp
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Filing: 1956-04-20
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Granted: 1959-11-17
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Expires: 1976-04-20
Abstract
No abstract record available.
Inventors
- 👤 Norman J Regnier
- 👤 Marlin R Shaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:34
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; G01S3/7861; F; F24; F24S; F24S30/00; F24S30/40; F24S30/45; F24S30/455; F24S50/00; F24S50/20; G01S3/783; F24S2030/10; F24S2030/13; F24S2030/134; F24S2030/14; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/47
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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |