US3538660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated wall assembly for partitions and the like
Assignee: Individual
•
Filing: 1967-11-27
•
Granted: 1970-11-10
•
Expires: 1987-11-27
Abstract
No abstract record available.
Inventors
- 👤 Karl Moor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:37
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/06; B28B7/16; B28B7/18; B28B7/186; E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2/44; E04B2/74; E04B2/7407; E04B2/7448; E04B2/745; E04B2/7451; E04B2/82; E04B2/821; E04C; E04C2/00; E04C2/02; E04C2/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1995477A
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CH166686A
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US2058372A
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US2061633A
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US2119586A
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US2302047A
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US2301800A
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US2325694A
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US2550883A
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US2787812A
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US3072226A
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US3386216A
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FR1429954A
Cited
US3416275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |