US2694475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular steel floor
Assignee: Hospitality Homes
•
Filing: 1948-11-19
•
Granted: 1954-11-16
•
Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Henry H Crafton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:38
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/02; E04B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US934939A
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US1799436A
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US1904080A
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US1855082A
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US1867433A
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US2041965A
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US2125366A
Cited
GB476870A
Cited
US2259674A
Cited
GB537108A
Cited
US2419996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |