Patent US2758467A successfully refreshed from Google Patents.
US2758467A
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US
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Building apparatus
Assignee: PHILIP N YOUTZ
•
Filing: 1950-08-12
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Granted: 1956-08-14
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Expires: 1970-08-12
Abstract
No abstract record available.
Inventors
- 👤 Robinson W Brown
- 👤 Isaac O Gilbert
- 👤 Philip N Youtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:21
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/35; E04B1/3511; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/0836; E02B17/0881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1352918A
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FR658203A
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US1836962A
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US2181740A
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US2310930A
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US2260051A
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US2333274A
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US2430100A
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US2540679A
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GB613403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |