Patent US2608332A successfully refreshed from Google Patents.
US2608332A
Expired / Lapsed
US
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Bag opening machine with adjustably mounted bracket supported arms
Assignee: Primerica Inc
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Filing: 1946-08-07
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Granted: 1952-08-26
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Expires: 1966-08-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Pottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:34
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/34; B65B67/00; B65B67/12; B65B67/1255; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1887751A
Cited
US2037484A
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US1830645A
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US2031264A
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US2042858A
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US2272258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |