US1835699A
Expired / Lapsed
US
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Apparatus and process for preserving liquid carbon dioxide
Assignee: Commercial Solvents Corp
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Filing: 1927-10-10
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Granted: 1931-12-08
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Expires: 1947-10-10
Abstract
No abstract record available.
Inventors
- 👤 William J Edmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:37
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/10; F17C1/00; F17C1/12; F17C13/00; F17C13/08; F17C13/083; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/03; F17C2201/035; F17C2201/05; F17C2201/054; F17C2221/00; F17C2221/01; F17C2221/013; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; F17C2270/0173
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) | 1934-12-07 | 1935-06-08 | 1935-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-07 | 1939-06-08 | 1939-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-07 | 1943-06-08 | 1943-12-08 | $7700.00 | Window Closed / Lapsed |