US2467558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nail receiving metallic floor beam
Assignee: Individual
•
Filing: 1946-01-09
•
Granted: 1949-04-19
•
Expires: 1966-01-09
Abstract
No abstract record available.
Inventors
- 👤 William S Kapnek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:11
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/09; E04C2003/0486; E04C2003/0495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US385624A
Cited
US991603A
Cited
US1545168A
Cited
US1735591A
Cited
US2063714A
Cited
US2147965A
Cited
US2315687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |