US2577916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice-cream freezer
Assignee: Individual
•
Filing: 1947-10-11
•
Granted: 1951-12-11
•
Expires: 1967-10-11
Abstract
No abstract record available.
Inventors
- 👤 Michael A Rollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:28
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/08; A23G9/10; A23G9/103; A23G9/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US663137A
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US941172A
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US970846A
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US1210727A
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US1295684A
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US1756261A
Cited
US1978176A
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US1956701A
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US1936723A
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US2194719A
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US2411600A
Cited
US2443733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |