US1793648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet-slitting machine
Assignee: EDWIN B STIMPSON Co
•
Filing: 1927-04-22
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Granted: 1931-02-24
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Expires: 1947-04-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin B Stimpson
- 👤 Joseph F Suessle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:54
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/58; B23; B23D; B23D45/00; B23D45/003; B23D47/00; B23D47/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/30532; Y10T409/305432
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) | 1934-02-23 | 1934-08-25 | 1935-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-23 | 1938-08-25 | 1939-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-23 | 1942-08-25 | 1943-02-24 | $7700.00 | Window Closed / Lapsed |