US2495421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bulk production of small ice
Assignee: Individual
•
Filing: 1943-11-03
•
Granted: 1950-01-24
•
Expires: 1963-11-03
Abstract
No abstract record available.
Inventors
- 👤 George L Pownall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:09
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US695907A
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US984168A
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US954467A
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US1174591A
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US1386315A
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US1873287A
Cited
US1996049A
Cited
US1995686A
Cited
US1996050A
Cited
US2256703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |