US2767952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain type lighting fixture hangers
Assignee: Individual
•
Filing: 1953-01-29
•
Granted: 1956-10-23
•
Expires: 1973-01-29
Abstract
No abstract record available.
Inventors
- 👤 Wolar Isidore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:50
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/02; F21V21/03; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45969
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US632584A
Cited
US1514544A
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US1448942A
Cited
US1882312A
Cited
US1985582A
Cited
US2030960A
Cited
US2509895A
Cited
US2500706A
Cited
US2545564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |