Patent US2493868A successfully refreshed from Google Patents.
US2493868A
Expired / Lapsed
US
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Air gun rivet feed
Assignee: Curtiss Wright Corp
•
Filing: 1943-10-26
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Granted: 1950-01-10
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Expires: 1963-10-26
Abstract
No abstract record available.
Inventors
- 👤 Griffin Harry Mcmurtry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:27
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/30; B21J15/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US466810A
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US624279A
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US905570A
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US1753499A
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US1939632A
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US2056559A
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US2253644A
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US2304425A
Cited
US2335670A
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US2330052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |