Patent US2643403A successfully refreshed from Google Patents.
US2643403A
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US
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Machine for making friction grip nuts
Assignee: Nylok LLC
•
Filing: 1949-10-14
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Granted: 1953-06-30
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Expires: 1969-10-14
Abstract
No abstract record available.
Inventors
- 👤 Macblane James
- 👤 Robert N Paterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:27
CPC Classifications
B; B21; B21J; B21J13/00; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/707; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513; Y10T29/5136; Y10T29/5137; Y10T29/5142; Y10T29/5143; Y10T29/5196; Y10T83/00; Y10T83/081; Y10T83/086; Y10T83/404; Y10T83/412; Y10T83/444; Y10T83/4493; Y10T83/4577; Y10T83/4607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US771752A
Cited
US1428175A
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US1988096A
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US2217715A
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US2436858A
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US2462603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |