US2624430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated joist
Assignee: Macomber Inc
•
Filing: 1949-06-18
•
Granted: 1953-01-06
•
Expires: 1969-06-18
Abstract
No abstract record available.
Inventors
- 👤 Robert C Macomber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:24
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/09; E04C2003/0486; E04C2003/0491; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1448854A
Cited
US1565879A
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US1597384A
Cited
US1727893A
Cited
US1899344A
Cited
US1969312A
Cited
US2055701A
Cited
US2169253A
Cited
US2457250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |