US1870691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for making and shaping solid carbon dioxide
Assignee: DRYICE Corp OF AMERICA
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Filing: 1929-12-17
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Granted: 1932-08-09
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Expires: 1949-12-17
Abstract
No abstract record available.
Inventors
- 👤 Robert R Rust
- 👤 Charles L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:26
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/50; C01B32/55
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) | 1935-08-09 | 1936-02-08 | 1936-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-09 | 1940-02-08 | 1940-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-09 | 1944-02-08 | 1944-08-09 | $7700.00 | Window Closed / Lapsed |