US2556137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radial arm type sawing device
Assignee: Porter Cable Machine Co
•
Filing: 1946-12-11
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Granted: 1951-06-05
•
Expires: 1966-12-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur N Emmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:32
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0064; B23Q9/0078; B23Q9/0085; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7755; Y10T83/7763; Y10T83/7768; Y10T83/7772; Y10T83/869; Y10T83/8763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US555649A
Cited
GB136657A
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US1457492A
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US1529303A
Cited
US1852387A
Cited
US1836457A
Cited
US1848330A
Cited
US2306512A
Cited
US2367461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |