US2090239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric conduit and outlet channel
Assignee: Individual
•
Filing: 1936-05-20
•
Granted: 1937-08-17
•
Expires: 1956-05-20
Abstract
No abstract record available.
Inventors
- 👤 Perry S Strang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:29
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/12; H02G3/128; F; F21; F21S; F21S4/00; F21S4/20; F21S4/28; H02G3/04; H02G3/0431; F21V; F21V7/00; F21V7/005; F21Y; F21Y2103/00; H02G3/0406; H02G3/0418; H02G3/06; H02G3/0608
Claims Analysis
Total Claims: 0
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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) | 1940-08-16 | 1941-02-15 | 1941-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-16 | 1945-02-15 | 1945-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-16 | 1949-02-15 | 1949-08-17 | $7700.00 | Window Closed / Lapsed |