US3417530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspended ceiling system
Assignee: Owens Corning
•
Filing: 1966-11-21
•
Granted: 1968-12-24
•
Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 James M Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:50
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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CH357588A
Cited
US3028638A
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US3067323A
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US3095943A
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US3163961A
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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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |