US2416422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary ice chipper
Assignee: Individual
•
Filing: 1944-07-28
•
Granted: 1947-02-25
•
Expires: 1964-07-28
Abstract
No abstract record available.
Inventors
- 👤 Svante M Udden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:19
CPC Classifications
F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/046; Y; Y10; Y10S; Y10S241/00; Y10S241/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US107184A
Cited
US147316A
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US307913A
Cited
US385342A
Cited
US484258A
Cited
US733454A
Cited
US957038A
Cited
US1024594A
Cited
US2237078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |