US1953533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dispensing gas material
Assignee: Linde Air Products Co
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Filing: 1932-05-20
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Granted: 1934-04-03
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Expires: 1952-05-20
Abstract
No abstract record available.
Inventors
- 👤 Harry D Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:58
CPC Classifications
F; F17; F17C; F17C9/00; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/03; F17C2201/035; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0375; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/013; F17C2221/014; F17C2221/03; F17C2221/031; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2225/0146; F17C2225/0153; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0367; F17C2227/0369; F17C2227/0376; F17C2227/0383; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562
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) | 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 |