US2566958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kickoff
Assignee: Birdsboro Steel Foundry & Mach
•
Filing: 1945-12-15
•
Granted: 1951-09-04
•
Expires: 1965-12-15
Abstract
No abstract record available.
Inventors
- 👤 Edward T Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:41
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/53; B65G47/54
Claims Analysis
Total Claims: 0
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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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |