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US2922015A
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Electrically operated snow-melting machine
Assignee: Individual
•
Filing: 1958-06-06
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Granted: 1960-01-19
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Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Emilio F Canzano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:08
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/104; Y; Y10; Y10S; Y10S37/00; Y10S37/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US472831A
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US1284873A
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US1598508A
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US2111148A
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US2231251A
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US2428079A
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US2680917A
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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) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |