US2660269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closet and wall construction
Assignee: Republic Steel Corp
•
Filing: 1948-06-24
•
Granted: 1953-11-24
•
Expires: 1968-06-24
Abstract
No abstract record available.
Inventors
- 👤 Irving P Whitehouse
- 👤 Wolfgang W Krauss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:39
CPC Classifications
E; E04; E04F; E04F19/00; E04F19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1578276A
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US1692271A
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US1560255A
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US2027920A
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US2021290A
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US2101465A
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DE673591C
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US2126111A
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US2120783A
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US2233711A
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US2293267A
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US2405416A
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US2419319A
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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) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |