US2518569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable manifold for gas containers
Assignee: Union Carbide Corp
•
Filing: 1947-06-06
•
Granted: 1950-08-15
•
Expires: 1967-06-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Pierson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:02
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/04; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/0142; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US790313A
Cited
US896438A
Cited
US1285497A
Cited
US1497197A
Cited
US1841325A
Cited
US1892776A
Cited
US1892775A
Cited
AU3042130A
Cited
US2047339A
Cited
US2089609A
Cited
US2165342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |