Patent US2501576A successfully refreshed from Google Patents.
US2501576A
Expired / Lapsed
US
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Tool for spinning over ends of tubular rivets
Assignee: Automatic Electric Laboratories Inc
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Filing: 1945-10-03
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Granted: 1950-03-21
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Expires: 1965-10-03
Abstract
No abstract record available.
Inventors
- 👤 Richard J Novy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:02
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/046; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5621; Y10T409/00; Y10T409/30; Y10T409/306216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323052A
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US1809154A
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US1789080A
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US1775898A
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US1744878A
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US1840103A
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US1846116A
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US2146461A
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US2367265A
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US2380068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |