US2676678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall and wall element
Assignee: LEVEL LINE CEILINGS Inc
•
Filing: 1951-01-19
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Granted: 1954-04-27
•
Expires: 1971-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jacobson Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:05
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/08; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7416; Y; Y10; Y10S; Y10S454/00; Y10S454/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US725042A
Cited
US850948A
Cited
GB190802826A
Cited
US1705778A
Cited
CH192789A
Cited
US2205123A
Cited
US2272829A
Cited
US2519162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |