Patent US2666233A successfully refreshed from Google Patents.
US2666233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated building construction
Assignee: Individual
•
Filing: 1949-01-12
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Granted: 1954-01-19
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Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Klemm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:14
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/10; E04B1/18; E04B1/26
Claims Analysis
Total Claims: 0
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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) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |