US2630637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow melter
Assignee: Individual
•
Filing: 1946-01-15
•
Granted: 1953-03-10
•
Expires: 1966-01-15
Abstract
No abstract record available.
Inventors
- 👤 Edward A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:53
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US176348A
Cited
US226222A
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US1642895A
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US782191A
Cited
US929737A
Cited
US1570377A
Cited
US1895900A
Cited
US2065169A
Cited
US2178400A
Cited
US2221386A
Cited
US2445614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |