US1545168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam and its method of manufacture
Assignee: Bethlehem Steel Corp
•
Filing: 1924-12-04
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Granted: 1925-07-07
•
Expires: 1944-12-04
Abstract
No abstract record available.
Inventors
- 👤 Schenck Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:31
CPC Classifications
B; B21; B21D; B21D47/00; B21D47/04; E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/06; E04C3/07; E04C2003/0404; E04C2003/0408; E04C2003/0413; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-07-06 | 1929-01-05 | 1929-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-06 | 1933-01-05 | 1933-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-06 | 1937-01-05 | 1937-07-07 | $7700.00 | Window Closed / Lapsed |