Patent US2677550A successfully refreshed from Google Patents.
US2677550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straw and stalk disintegrating and scattering equipment
Assignee: Individual
•
Filing: 1950-01-05
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Granted: 1954-05-04
•
Expires: 1970-01-05
Abstract
No abstract record available.
Inventors
- 👤 George C Berger
- 👤 Albin O Myrold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:27
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL20900C
Cited
US54351A
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US891299A
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US1524887A
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US1558613A
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US1769715A
Cited
US2239486A
Cited
US2280677A
Cited
US2327893A
Cited
US2496493A
Cited
US2554669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |