US2915150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Basement assembly and prefabricated structural units therefor
Assignee: Individual
•
Filing: 1955-08-19
•
Granted: 1959-12-01
•
Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Weidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:50
CPC Classifications
E; E02; E02D; E02D17/00; E02D17/02; E02D17/04; E04; E04B; E04B1/00; E04B1/0007; E04B1/0015; E04C; E04C2/00; E04C2/30; E04C2/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1295368A
Cited
US2048457A
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US2017106A
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US2143288A
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US2268907A
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US2209564A
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GB536286A
Cited
US2326549A
Cited
US2352884A
Cited
US2567357A
Cited
US2725960A
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US2589633A
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US2856039A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |