Patent US2488645A successfully refreshed from Google Patents.
US2488645A
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US
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Riveting machine
Assignee: GEN RIVETERS Inc
•
Filing: 1945-06-28
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Granted: 1949-11-22
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Expires: 1965-06-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Speller
- 👤 Frederick A Pettis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:24
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/14; B21J15/16; B21J15/20; B21J15/30; B21J15/32; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US940608A
Cited
US1132988A
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US1402901A
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US2056559A
Cited
GB497260A
Cited
US2216403A
Cited
US2323016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |