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US2587553A
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Assignee: WARD CANNING Co
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Filing: 1948-02-12
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Granted: 1952-02-26
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Expires: 1968-02-12
Abstract
No abstract record available.
Inventors
- 👤 Leila B S Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:48
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US371372A
Cited
US1304797A
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US637281A
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US1401829A
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US1449869A
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US1664924A
Cited
US1727431A
Cited
US2204115A
Cited
US2466089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |