US2786374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet inserting machine
Assignee: ZF Active Safety US Inc
•
Filing: 1950-04-24
•
Granted: 1957-03-26
•
Expires: 1970-04-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Sharpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:07
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/38; B21J15/46; B21J15/10; B21J15/14; B21J15/30; B21J15/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US937150A
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US913151A
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US1191180A
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US1358900A
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US1477211A
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US1660417A
Cited
US1923377A
Cited
US2360991A
Cited
US2303005A
Cited
US2397872A
Cited
US2521209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |