Patent US2554418A successfully refreshed from Google Patents.
US2554418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated house structure
Assignee: BUILD CORP U
•
Filing: 1946-05-17
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Granted: 1951-05-22
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Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Henry C Mortenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:48
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2415; E04B2001/2448; E04B2001/2481; E04B2001/2484; E04B2001/249
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194320A
Cited
US1101745A
Cited
US2037889A
Cited
US2124355A
Cited
US2316668A
Cited
US2398153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |