USRE19458E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas supplying method and device
Assignee: —
•
Filing: —
•
Granted: 1935-02-12
•
Expires: 1952-02-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:11
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0119; F17C2201/05; F17C2201/054; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2225/03; F17C2225/036; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/03; F17C2227/0302; F17C2227/0309; F17C2227/0367; F17C2227/0388; F17C2227/039; F17C2265/00; F17C2265/06; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; F17C2270/0171
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) | 1938-02-11 | 1938-08-13 | 1939-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-11 | 1942-08-13 | 1943-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-11 | 1946-08-13 | 1947-02-12 | $7700.00 | Window Closed / Lapsed |