Patent US1018695A successfully refreshed from Google Patents.
Patent US1953467A successfully refreshed from Google Patents.
US1953467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dispensing gas material
Assignee: Linde Air Products Co
•
Filing: 1932-04-19
•
Granted: 1934-04-03
•
Expires: 1952-04-19
Abstract
No abstract record available.
Inventors
- 👤 Leo I Dana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:18
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0166; F17C2201/03; F17C2201/035; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0329; F17C2205/0388; F17C2205/0391; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/04; F17C2223/042; F17C2223/043; F17C2223/046; F17C2223/047; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2225/0146; F17C2225/0153; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/469; Y10T137/4841
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) | 1937-04-02 | 1937-10-02 | 1938-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-04-02 | 1941-10-02 | 1942-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-04-02 | 1945-10-02 | 1946-04-03 | $7700.00 | Window Closed / Lapsed |