Patent US2435539A successfully refreshed from Google Patents.
US2435539A
Expired / Lapsed
US
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Garden stake with chamber for plant growth
Assignee: Individual
•
Filing: 1943-12-30
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Granted: 1948-02-03
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Expires: 1963-12-30
Abstract
No abstract record available.
Inventors
- 👤 William L Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:25
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/12; A01G9/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE300570C
Cited
GB190704075A
Cited
US1380253A
Cited
US1984265A
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US2067589A
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US2072165A
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US2281927A
Cited
US2152869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |