US2044673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for distributing liquefied gases
Assignee: Union Carbide Corp
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Filing: 1932-06-30
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Granted: 1936-06-16
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Expires: 1952-06-30
Abstract
No abstract record available.
Inventors
- 👤 Harry D Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:36
CPC Classifications
F; F17; F17C; F17C9/00; F17C2201/00; F17C2201/05; F17C2201/056; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0111; F17C2205/0153; F17C2205/0188; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; F17C2270/0171
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) | 1939-06-16 | 1939-12-16 | 1940-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-16 | 1943-12-16 | 1944-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-16 | 1947-12-16 | 1948-06-16 | $7700.00 | Window Closed / Lapsed |