Patent US2586172A successfully refreshed from Google Patents.
US2586172A
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Edge piling machine
Assignee: SWITZER Cos
•
Filing: 1948-05-10
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Granted: 1952-02-19
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Expires: 1968-05-10
Abstract
No abstract record available.
Inventors
- 👤 Francis H Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:42
CPC Classifications
B; B65; B65B; B65B35/00; B65B35/56; B65B35/30; B65B35/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US972649A
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US1398345A
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US1992761A
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US2159132A
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US2345012A
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US2358413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |