US2418387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Parker Appliance Co
•
Filing: 1943-11-22
•
Granted: 1947-04-01
•
Expires: 1963-11-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Zarobsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:12
CPC Classifications
B; B23; B23B; B23B41/00; B23B41/12; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5178; Y10T82/00; Y10T82/15; Y10T82/152; Y10T82/154; Y10T82/158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2343164A
Cited
DE258524C
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US408259A
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US528557A
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DE85714C
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US1233994A
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US1398338A
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GB198717A
Cited
GB237070A
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US1861497A
Cited
US1911132A
Cited
US1990052A
Cited
US1989227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-31 | 1950-09-30 | 1951-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-31 | 1954-09-30 | 1955-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-31 | 1958-09-30 | 1959-04-01 | $7700.00 | Window Closed / Lapsed |