US3473017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire bracket
Assignee: WELLMADE METAL PRODUCTS CO
•
Filing: 1967-04-10
•
Granted: 1969-10-14
•
Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Kun S Lim
- 👤 Edward C Bergen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:08
CPC Classifications
F; F21; F21V; F21V23/00; F21S; F21S4/00; F21S4/20; F21V21/00; F21V21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3131871A
Cited
US3201582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |