Patent US643802A successfully refreshed from Google Patents.
Patent US1383247A successfully refreshed from Google Patents.
US1383247A
Expired / Lapsed
US
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Absorbent material for use in ice-machines
Assignee: Individual
•
Filing: 1920-03-05
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Granted: 1921-06-28
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Expires: 1940-03-05
Abstract
No abstract record available.
Inventors
- 👤 Curtis M Smith
- 👤 Weigand Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:40
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/047; F; F25; F25B; F25B35/00; F25B35/04; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62; Y02P; Y02P20/00; Y02P20/10
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) | 1924-06-27 | 1924-12-27 | 1925-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-06-27 | 1928-12-27 | 1929-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-06-27 | 1932-12-27 | 1933-06-28 | $7700.00 | Window Closed / Lapsed |