US2642679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice rink resurfacing machine
Assignee: Individual
•
Filing: 1949-05-16
•
Granted: 1953-06-23
•
Expires: 1969-05-16
Abstract
No abstract record available.
Inventors
- 👤 Frank J Zamboni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:04
CPC Classifications
E; E01; E01H; E01H4/00; E01H4/02; E01H4/023; E01H5/00; E01H5/04; E01H5/06; E01H5/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1851301A
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US2057326A
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US2014149A
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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) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |