US2894173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar powered light source or the like
Assignee: Hoffman Electronics Corp
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Filing: 1958-09-22
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Granted: 1959-07-07
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Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Paradise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:05
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/95; H10F77/953; H10F77/955; H02; H02J; H02J7/00; H02J7/34; H02J7/35; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y10; Y10S; Y10S136/00; Y10S136/291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |