US1801910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reenforced gas container
Assignee: EXPL DES TUBES ELECTRO FRETTES
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Filing: 1929-01-03
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Granted: 1931-04-21
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Expires: 1949-01-03
Abstract
No abstract record available.
Inventors
- 👤 Dumat Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:38
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/02; F17C1/04; F17C1/06; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0123; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/056; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0614; F17C2203/0619; F17C2203/0621; F17C2203/0634; F17C2203/0636; F17C2203/0656; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/018; F17C2205/03; F17C2205/0302; F17C2205/0308; F17C2209/00; F17C2209/22; F17C2209/224; F17C2209/228; F17C2209/23; F17C2209/232; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2270/00; F17C2270/07; F17C2270/0745
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) | 1934-04-20 | 1934-10-20 | 1935-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-20 | 1938-10-20 | 1939-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-20 | 1942-10-20 | 1943-04-21 | $7700.00 | Window Closed / Lapsed |