US2392199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire supporting device and gas generator for use therewith
Assignee: Maywood Chemical Works
•
Filing: 1945-02-05
•
Granted: 1946-01-01
•
Expires: 1965-02-05
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Steiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/081
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) | 1948-12-31 | 1949-07-02 | 1950-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-31 | 1953-07-02 | 1954-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-31 | 1957-07-02 | 1958-01-01 | $7700.00 | Window Closed / Lapsed |