US2148109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for handling gas material
Assignee: Union Carbide Corp
•
Filing: 1935-05-16
•
Granted: 1939-02-21
•
Expires: 1955-05-16
Abstract
No abstract record available.
Inventors
- 👤 Leo I Dana
- 👤 Hansen Odd Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/10; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/0316; F17C2203/0337; F17C2203/0345; F17C2203/035; F17C2203/0375; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2203/0646; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0332; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/013; F17C2221/018; F17C2221/03; F17C2221/031; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/03; F17C2227/0337; F17C2227/0341; F17C2227/0367; F17C2227/0369; F17C2227/0376; F17C2227/0379; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033; F17C2265/00; F17C2265/01; Y; Y10; Y10S; Y10S62/00; Y10S62/13
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-02-20 | 1942-08-22 | 1943-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-20 | 1946-08-22 | 1947-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-20 | 1950-08-22 | 1951-02-21 | $7700.00 | Window Closed / Lapsed |