US1526523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating, cooling, and lighting fixture
Assignee: Individual
•
Filing: 1923-08-25
•
Granted: 1925-02-17
•
Expires: 1943-08-25
Abstract
No abstract record available.
Inventors
- 👤 Brown William Allen
- 👤 Jr Elbert A Corbin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:20
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0088; F21V33/0092; F21S; F21S6/00; F21S6/002; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411; F21Y; F21Y2113/00
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) | 1928-02-17 | 1928-08-18 | 1929-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-02-17 | 1932-08-18 | 1933-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-02-17 | 1936-08-18 | 1937-02-17 | $7700.00 | Window Closed / Lapsed |