Patent US2428888A successfully refreshed from Google Patents.
US2673016A
Expired / Lapsed
US
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Bag distending apparatus
Assignee: Individual
•
Filing: 1952-10-11
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Granted: 1954-03-23
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Expires: 1972-10-11
Abstract
No abstract record available.
Inventors
- 👤 Gerbe John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
B; B65; B65B; B65B25/00; B65B25/20; B65B67/00; B65B67/02; B65B67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315739A
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US1415075A
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US2051483A
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US2069366A
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US2343879A
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US2355500A
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US2402869A
Cited
US2568593A
Cited
US2601480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |