US2652639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth digging bucket
Assignee: Individual
•
Filing: 1947-12-11
•
Granted: 1953-09-22
•
Expires: 1967-12-11
Abstract
No abstract record available.
Inventors
- 👤 Edward H Kluckhohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:38
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/401; A; A01; A01G; A01G23/00; A01G23/02; A01G23/04; A01G23/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1636625A
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US1938952A
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US1894516A
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US1919075A
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US1909752A
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US2063698A
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US2083571A
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US2295458A
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US2323434A
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US2303379A
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US2506662A
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US2592052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |