US2888113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling and lighting construction
Assignee: Individual
•
Filing: 1954-09-23
•
Granted: 1959-05-26
•
Expires: 1974-09-23
Abstract
No abstract record available.
Inventors
- 👤 Robert A D Schwartz
- 👤 Stephen W Lindheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:00
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/064; E04B9/006; F; F21; F21S; F21S8/00; F21S8/02; F21V; F21V21/00; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |