US2810009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Housing construction for electrical devices
Assignee: Emerson Pryne Co
•
Filing: 1953-09-03
•
Granted: 1957-10-15
•
Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Pryne Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:31
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/081; H02G3/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US352596A
Cited
US1334172A
Cited
US1505629A
Cited
US1568666A
Cited
US1741723A
Cited
US2523083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |