Patent US2444794A successfully refreshed from Google Patents.
US1003129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooling apparatus.
Assignee: KROESCHELL BROS ICE MACHINE CO
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Filing: 1911-05-18
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Granted: 1911-09-12
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Expires: 1931-05-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick Wittenmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
F; F28; F28B; F28B1/00; F28B1/02; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1914-09-11 | 1915-03-13 | 1915-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-09-11 | 1919-03-13 | 1919-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-09-11 | 1923-03-13 | 1923-09-12 | $7700.00 | Window Closed / Lapsed |