US2940219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for promoting plant growth by reflecting light and deflecting water
Assignee: Individual
•
Filing: 1957-03-14
•
Granted: 1960-06-14
•
Expires: 1977-03-14
Abstract
No abstract record available.
Inventors
- 👤 Schiller Sigge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:56
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/30; A01G13/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT41648B
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US1377566A
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US1621440A
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GB266726A
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FR629689A
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GB280419A
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DE527812C
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US1883381A
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US2030267A
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US2740233A
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |