US2736406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel ceiling panel unit
Assignee: Burgess-Manning Co
•
Filing: 1952-02-18
•
Granted: 1956-02-28
•
Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Dale L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:04
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0478; F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/14; F28F1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US945682A
Cited
US1475539A
Cited
US1971411A
Cited
US2019379A
Cited
US2099211A
Cited
US2377398A
Cited
US2382340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |