US3534515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated building unit and structures made therefrom
Assignee: CARL F BEED
•
Filing: 1968-02-19
•
Granted: 1970-10-20
•
Expires: 1988-02-19
Abstract
No abstract record available.
Inventors
- 👤 Carl F Beed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:36
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/343; E04B1/34315; E04B1/34326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US701658A
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FR414401A
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US1129658A
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US1375402A
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US1981166A
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US2396829A
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US2796642A
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US3193973A
Cited
US3204375A
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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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |