US2607450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal supporting skeleton for a building construction
Assignee: Individual
•
Filing: 1947-12-31
•
Granted: 1952-08-19
•
Expires: 1967-12-31
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Alexandre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2448; E04B2001/2451; E04B2001/2457; E04B2001/2466; E04B2001/2472; Y; Y10; Y10T; Y10T403/00; Y10T403/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1596360A
Cited
US1729743A
Cited
US1982343A
Cited
US1911018A
Cited
US2114901A
Cited
US2441890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |