US2540784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable bracket construction for lighting arms
Assignee: Hubbard and Co
•
Filing: 1950-01-21
•
Granted: 1951-02-06
•
Expires: 1970-01-21
Abstract
No abstract record available.
Inventors
- 👤 Andrew A Hocher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:01
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/24; F; F21; F21V; F21V21/00; F21V21/10; F21V21/108; F21W; F21W2131/00; F21W2131/10; F21W2131/103
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |