Patent US1937318A successfully refreshed from Google Patents.
US1937318A
Expired / Lapsed
US
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Pop corn machine
Assignee: JAMES M DAHL
•
Filing: 1929-02-18
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Granted: 1933-11-28
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Expires: 1949-02-18
Abstract
No abstract record available.
Inventors
- 👤 Dahl Henry Julian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:30
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)
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) | 1936-11-27 | 1937-05-29 | 1937-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-27 | 1941-05-29 | 1941-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-27 | 1945-05-29 | 1945-11-28 | $7700.00 | Window Closed / Lapsed |