Patent US2692708A successfully refreshed from Google Patents.
US2692708A
Expired / Lapsed
US
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Carton metering insert for granular materials
Assignee: Individual
•
Filing: 1949-07-12
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Granted: 1954-10-26
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Expires: 1969-07-12
Abstract
No abstract record available.
Inventors
- 👤 Frey Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:27
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/72; B65D5/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US957005A
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US1216640A
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US1261072A
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US1498491A
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US1967687A
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FR775540A
Cited
US2022031A
Cited
US2092983A
Cited
US2335363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |