US2684207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice-chipping machine
Assignee: Servel Inc
•
Filing: 1950-06-08
•
Granted: 1954-07-20
•
Expires: 1970-06-08
Abstract
No abstract record available.
Inventors
- 👤 William L O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:32
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)
US152655A
Cited
US432758A
Cited
USRE20952E
Cited
US1426745A
Cited
US1816050A
Cited
US1977320A
Cited
US2034951A
Cited
US2181000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |