Patent JPS638010A successfully refreshed from Google Patents.
US2686540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potato chip piercing machine
Assignee: Individual
•
Filing: 1949-07-05
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Granted: 1954-08-17
•
Expires: 1969-07-05
Abstract
No abstract record available.
Inventors
- 👤 Stahmer Bernhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:20
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; B26F1/20; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4734; Y10T83/4766; Y10T83/4795; Y10T83/4798
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |