Patent US781508A successfully refreshed from Google Patents.
US781508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cutting out side seams of old metal cans.
Assignee: Individual
•
Filing: 1903-08-04
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Granted: 1905-01-31
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Expires: 1923-08-04
Abstract
No abstract record available.
Inventors
- 👤 Bernhard E Fernow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:17
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/02; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/504756; Y10T409/506232; Y10T83/00; Y10T83/384; Y10T83/395; Y10T83/869; Y10T83/8821; Y10T83/8822
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) | 1908-01-31 | 1908-08-01 | 1909-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-01-31 | 1912-08-01 | 1913-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-01-31 | 1916-08-01 | 1917-01-31 | $7700.00 | Window Closed / Lapsed |