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US2565292A
Expired / Lapsed
US
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Sectional flooring, decks, and racks
Assignee: TRI STATE ENGINEERING Co
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Filing: 1947-04-11
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Granted: 1951-08-21
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Expires: 1967-04-11
Abstract
No abstract record available.
Inventors
- 👤 Oscar F Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:04
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US451682A
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US680943A
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US993798A
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US1017028A
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US1370362A
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US2278354A
Cited
US2214547A
Cited
US2291472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |