US2708958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for making a steel floor
Assignee: Hospitality Homes
•
Filing: 1949-11-15
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Granted: 1955-05-24
•
Expires: 1969-11-15
Abstract
No abstract record available.
Inventors
- 👤 Henry H Crafton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:37
CPC Classifications
B; B21; B21D; B21D13/00; B21D13/04; B21D13/045; B21D5/00; B21D5/06; B21D5/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190405982A
Cited
FR450092A
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US1493169A
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US1619207A
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US1770963A
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US1859354A
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US1900722A
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US2087010A
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US2048684A
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US2163504A
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US2246840A
Cited
US2280564A
Cited
US2327103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |