Patent US2508230A successfully refreshed from Google Patents.
US2508230A
Expired / Lapsed
US
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Ice auger
Assignee: Individual
•
Filing: 1946-04-22
•
Granted: 1950-05-16
•
Expires: 1966-04-22
Abstract
No abstract record available.
Inventors
- 👤 Howard A Coon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:58
CPC Classifications
F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/043; Y; Y10; Y10S; Y10S241/00; Y10S241/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US400939A
Cited
US568067A
Cited
US1409258A
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US1881024A
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US2057365A
Cited
US2320610A
Cited
US2393282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |