US1878520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Riveting machine
Assignee: ThyssenKrupp Budd Co
•
Filing: 1929-05-06
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Granted: 1932-09-20
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Expires: 1949-05-06
Abstract
No abstract record available.
Inventors
- 👤 James W Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:57
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/14; B30; B30B; B30B1/00; B30B1/40; Y; Y10; Y10T; Y10T83/00; Y10T83/384; Y10T83/387; Y10T83/388; Y10T83/395; Y10T83/40; Y10T83/401; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8835; Y10T83/8841; Y10T83/8845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-09-20 | 1936-03-21 | 1936-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-20 | 1940-03-21 | 1940-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-20 | 1944-03-21 | 1944-09-20 | $7700.00 | Window Closed / Lapsed |