Patent US2686540A successfully refreshed from Google Patents.
US2686540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potato chip piercing machine
Assignee: Individual
•
Filing: 1949-07-05
•
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 06:36
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US264449A
Cited
US536778A
Cited
US551967A
Cited
US574470A
Cited
US659579A
Cited
US866236A
Cited
US975831A
Cited
US1735406A
Cited
US1729611A
Cited
US1800890A
Cited
US1937850A
Cited
US1965500A
Cited
US1991033A
Cited
US2131861A
Cited
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 |