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Patent US2619787A successfully refreshed from Google Patents.
US2619787A
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US
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Sickle guard
Assignee: BUCHANAN STEEL PRODUCTS Corp
•
Filing: 1946-08-28
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Granted: 1952-12-02
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Expires: 1966-08-28
Abstract
No abstract record available.
Inventors
- 👤 Edward L Mills
- 👤 Dennis A Donahue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:26
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/13; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49448; Y10T29/49451
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US65977A
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US121261A
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US209465A
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US258166A
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US356357A
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US356974A
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US1610401A
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US2039012A
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US2226583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |