US2856841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Popcorn machines
Assignee: C Cretors and Co
•
Filing: 1953-08-07
•
Granted: 1958-10-21
•
Expires: 1973-08-07
Abstract
No abstract record available.
Inventors
- 👤 Charles J Cretors
- 👤 Norman E Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:57
CPC Classifications
A; A23; A23L; A23L7/00; A23L7/10; A23L7/161; A23L7/174; A23L7/183; A23L7/187; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6606; Y10T137/8158; Y10T137/8208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733841A
Cited
GB139961A
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US1745800A
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US2022208A
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US2134088A
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US2554802A
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US2665710A
Cited
US2585440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |