Patent US4471455A successfully refreshed from Google Patents.
Patent US2528041A successfully refreshed from Google Patents.
US2528041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower
Assignee: Individual
•
Filing: 1945-12-22
•
Granted: 1950-10-31
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Vernon J Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:25
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US519860A
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US891867A
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US943857A
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US1762287A
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US1778219A
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US2282837A
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US2256683A
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US2256531A
Cited
US2303055A
Cited
US2365338A
Cited
US2414077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |