US2748592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: Individual
•
Filing: 1951-10-19
•
Granted: 1956-06-05
•
Expires: 1971-10-19
Abstract
No abstract record available.
Inventors
- 👤 Kelly William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:29
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1057674A
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FR522151A
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GB176027A
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US1591948A
Cited
US1563598A
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US1661128A
Cited
US2008775A
Cited
US2114048A
Cited
US2102443A
Cited
US2094635A
Cited
US2245611A
Cited
US2281967A
Cited
US2351856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |