Patent US2465423A successfully refreshed from Google Patents.
US2465423A
Expired / Lapsed
US
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Sectionalized metal structure
Assignee: Individual
•
Filing: 1946-09-16
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Granted: 1949-03-29
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Expires: 1966-09-16
Abstract
No abstract record available.
Inventors
- 👤 Teofil L Bonkowski
- 👤 Solloway Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:17
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B9/08; E06B9/11; E06B9/15; E06B2009/1533; E06B2009/1538; E06B2009/1544
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) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |