Patent US1977487A successfully refreshed from Google Patents.
US2614366A
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Apparatus for cultivating plants under shelter in the fields
Assignee: Individual
•
Filing: 1946-12-13
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Granted: 1952-10-21
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Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 Fleklin Roger Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:02
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/14; A01G9/143; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US536360A
Cited
US1121722A
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AT104778B
Cited
FR637608A
Cited
US1753980A
Cited
US1793626A
Cited
US1831176A
Cited
US2030268A
Cited
US2244677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |