Patent US3034201A successfully refreshed from Google Patents.
US3034201A
Expired / Lapsed
US
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Method of making piston pins and like articles
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1958-04-21
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Granted: 1962-05-15
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Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Gammon Howard Mckee
- 👤 Joseph A O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:09
CPC Classifications
B; B21; B21K; B21K21/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1949527A
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US1929802A
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US2267229A
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US2251094A
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US2344803A
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US2849265A
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US2806752A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |