US2539734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice shaver and chipper machine
Assignee: Individual
•
Filing: 1948-03-12
•
Granted: 1951-01-30
•
Expires: 1968-03-12
Abstract
No abstract record available.
Inventors
- 👤 Sr Samuel T Echols
- 👤 Jr Samuel T Echols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/12; Y; Y10; Y10S; Y10S241/00; Y10S241/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR409466A
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US295467A
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US384299A
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US487339A
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US779031A
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US1077482A
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US1282100A
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US1414953A
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US1480969A
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US1641699A
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US1974025A
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US2191756A
Cited
US2462105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |