Patent US3021517A successfully refreshed from Google Patents.
US2652942A
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Method of and apparatus for attaching clinch nuts to sheet metal members
Assignee: Motors Liquidation Co
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Filing: 1949-07-02
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Granted: 1953-09-22
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Expires: 1969-07-02
Abstract
No abstract record available.
Inventors
- 👤 Muchy Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:47
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/046; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/062; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/967; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49835; Y10T29/49837; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T29/51; Y10T29/5116; Y10T29/53; Y10T29/53709
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1719480A
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US909231A
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US1500926A
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US2187647A
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US2275438A
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US2422405A
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US2550788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |