Patent US2941223A successfully refreshed from Google Patents.
US2941223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow sweeper
Assignee: Individual
•
Filing: 1954-06-22
•
Granted: 1960-06-21
•
Expires: 1974-06-22
Abstract
No abstract record available.
Inventors
- 👤 Walter E Klauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:03
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; A; A46; A46B; A46B13/00; A46B13/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1495182A
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US1579509A
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US1846507A
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US2148841A
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US2235277A
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US2171075A
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US2248012A
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US2654106A
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US2631418A
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US2727264A
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US2711511A
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US2700783A
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US2765483A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |