US2680336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cracker wrapping machine
Assignee: Package Machinery Co
•
Filing: 1950-12-28
•
Granted: 1954-06-08
•
Expires: 1970-12-28
Abstract
No abstract record available.
Inventors
- 👤 Prince Clarence Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:42
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/06; B65B11/18; B65B11/20; B65B11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1556187A
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US1646496A
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US1972252A
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US2080266A
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US2052717A
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US2144448A
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US2208776A
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US2260324A
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US2170312A
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US2304428A
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US2526824A
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US2567405A
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US2553871A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |