US2479274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing circuit
Assignee: GAGE B ELLIS
•
Filing: 1946-01-04
•
Granted: 1949-08-16
•
Expires: 1966-01-04
Abstract
No abstract record available.
Inventors
- 👤 Harry M Simons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:01
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/288
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1818018A
Cited
US2061011A
Cited
US1921461A
Cited
US2003992A
Cited
US2165048A
Cited
US2321662A
Cited
US2366060A
Cited
US2379262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |