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US2453401A
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Assignee: Individual
•
Filing: 1945-09-25
•
Granted: 1948-11-09
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Expires: 1965-09-25
Abstract
No abstract record available.
Inventors
- 👤 Hiram O Beeching
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:50
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/02; B65G13/11; B65G13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US711947A
Cited
US1045873A
Cited
US1432086A
Cited
US1838592A
Cited
US1861963A
Cited
US2234162A
Cited
US2353239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |