US931431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punching-machine.
Assignee: ERNEST O C KUHNEL
•
Filing: 1908-06-08
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Granted: 1909-08-17
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Expires: 1928-06-08
Abstract
No abstract record available.
Inventors
- 👤 William B Kilgore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:47
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/26; B21D28/265; B26; B26D; B26D1/00; B26D1/01; B26D1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/626; Y10T83/637; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/6564; Y10T83/869; Y10T83/8765
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) | 1912-08-16 | 1913-02-15 | 1913-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-08-16 | 1917-02-15 | 1917-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-08-16 | 1921-02-15 | 1921-08-17 | $7700.00 | Window Closed / Lapsed |