US3051277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated building structure and panels comprising the same
Assignee: American Metalcore Systems Inc
•
Filing: 1959-03-06
•
Granted: 1962-08-28
•
Expires: 1979-03-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul T Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/3405; E04C2002/3444; E04C2002/3466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974665A
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US2220596A
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US2252568A
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US2260058A
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US2495862A
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FR1049100A
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US2762472A
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US2911076A
Cited
US2849758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |