Patent US3545154A successfully refreshed from Google Patents.
US3545154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface panel assembly with rigid strips to conceal fasteners
Assignee: Celotex Corp
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Filing: 1968-11-19
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Granted: 1970-12-08
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Expires: 1988-11-19
Abstract
No abstract record available.
Inventors
- 👤 James E Bobzin
- 👤 Charles W Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:10
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0435; E04B9/0464; E04F; E04F19/00; E04F19/02; E04F19/06; E04F19/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |