Patent US3462898A successfully refreshed from Google Patents.
US3462898A
Expired / Lapsed
US
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Constructional building panel
Assignee: ANDRE BALENCY BEARN
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Filing: 1967-10-04
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Granted: 1969-08-26
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Andre Balency-Bearn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:40
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/044; E04C2002/045; E04C2002/048
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) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |