Patent US2831966A successfully refreshed from Google Patents.
US2831966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixtures
Assignee: ANALITE Corp
•
Filing: 1954-04-19
•
Granted: 1958-04-22
•
Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Porteous James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:39
CPC Classifications
F; F21; F21V; F21V9/00; F21V9/02; F21Y; F21Y2113/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1319186A
Cited
US1150118A
Cited
US1004503A
Cited
US1943877A
Cited
US1959819A
Cited
US2169355A
Cited
GB541144A
Cited
US2647985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |