Patent US1755445A successfully refreshed from Google Patents.
US1755445A
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US
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Apparatus for plant culture
Assignee: Individual
•
Filing: 1927-11-28
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Granted: 1930-04-22
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Expires: 1947-11-28
Abstract
No abstract record available.
Inventors
- 👤 Charles F Irish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:29
CPC Classifications
A; A01; A01B; A01B79/00; A01G; A01G29/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87652; Y10T137/8766; Y10T137/87668; Y10T137/87676; Y10T137/87684; Y10T137/87692
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) | 1933-04-21 | 1933-10-21 | 1934-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-21 | 1937-10-21 | 1938-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-21 | 1941-10-21 | 1942-04-22 | $7700.00 | Window Closed / Lapsed |