Patent US2437824A successfully refreshed from Google Patents.
US2437824A
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Method of assembling pistons
Assignee: American Motors Corp
•
Filing: 1944-08-26
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Granted: 1948-03-16
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Expires: 1964-08-26
Abstract
No abstract record available.
Inventors
- 👤 Floyd F Kishline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:52
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249; Y10T29/49252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US505318A
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US1879082A
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US2062841A
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US2039398A
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GB491843A
Cited
US2174644A
Cited
US2305654A
Cited
US2308875A
Cited
US2341836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |