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US2522992A
Expired / Lapsed
US
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Pin-setting machine
Assignee: Northrop Grumman Corp
•
Filing: 1944-12-21
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Granted: 1950-09-19
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Expires: 1964-12-21
Abstract
No abstract record available.
Inventors
- 👤 Eugene D Chisam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:13
CPC Classifications
B; B23; B23P; B23P19/00; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595108A
Cited
US1819584A
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US1986458A
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US739811A
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US1729843A
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US1944360A
Cited
US1938689A
Cited
US2272882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |