Patent US2579077A successfully refreshed from Google Patents.
US2579077A
Expired / Lapsed
US
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Barrow attachment for lawn mowers
Assignee: Individual
•
Filing: 1947-08-16
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Granted: 1951-12-18
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Expires: 1967-08-16
Abstract
No abstract record available.
Inventors
- 👤 Cornelius A Hubner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:07
CPC Classifications
A; A01; A01D; A01D42/00; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE205944C
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US1876409A
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US1338144A
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US2165551A
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US2326739A
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US2450236A
Cited
US2502138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |