US2607283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Popping of corn
Assignee: Individual
•
Filing: 1948-03-08
•
Granted: 1952-08-19
•
Expires: 1968-03-08
Abstract
No abstract record available.
Inventors
- 👤 Harold R Crank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:00
CPC Classifications
A; A23; A23L; A23L7/00; A23L7/10; A23L7/161; A23L7/174; A23L7/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1009924A
Cited
US1431438A
Cited
US1341748A
Cited
US1747503A
Cited
US1890737A
Cited
US1938863A
Cited
US2147335A
Cited
US2319561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |