US2738445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panelboard construction
Assignee: General Electric Co
•
Filing: 1952-02-26
•
Granted: 1956-03-13
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Herman J Hammerly
- 👤 Robert T Casey
- 👤 Wilfred H Yeamans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:57
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/056
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US948835A
Cited
US1203582A
Cited
US1691422A
Cited
US1902790A
Cited
US1913552A
Cited
US2007174A
Cited
US2206325A
Cited
US2331654A
Cited
US2439326A
Cited
US2530548A
Cited
US2595658A
Cited
US2606957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |