US3413765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable wall panel and method for making same
Assignee: Fibreboard Corp
•
Filing: 1967-06-14
•
Granted: 1968-12-03
•
Expires: 1987-06-14
Abstract
No abstract record available.
Inventors
- 👤 David H Williams
- 👤 Ernest C Pellaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/40; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1052; Y10T156/1062; Y10T156/1064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE628515A
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US657285A
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US2626077A
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US2743863A
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US2940653A
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US3112532A
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US3166800A
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US3135453A
Cited
US3135454A
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US3255562A
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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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |