Patent US2449063A successfully refreshed from Google Patents.
US2449063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric system
Assignee: Individual
•
Filing: 1943-11-19
•
Granted: 1948-09-14
•
Expires: 1963-11-19
Abstract
No abstract record available.
Inventors
- 👤 Harold E Edgerton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:54
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20; H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1929016A
Cited
US1232888A
Cited
US1328041A
Cited
US1623219A
Cited
US1504603A
Cited
US2327971A
Cited
US1662114A
Cited
US2056301A
Cited
US1876058A
Cited
US1746725A
Cited
US1819217A
Cited
US2058974A
Cited
US2181879A
Cited
FR788171A
Cited
US2186163A
Cited
US2355349A
Cited
US2358796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-14 | 1952-03-15 | 1952-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-14 | 1956-03-15 | 1956-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-14 | 1960-03-15 | 1960-09-14 | $7700.00 | Window Closed / Lapsed |