Patent US2503881A successfully refreshed from Google Patents.
US2645514A
Expired / Lapsed
US
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Bag sealing device
Assignee: Individual
•
Filing: 1950-08-22
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Granted: 1953-07-14
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Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Mitchko Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:56
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B44; B44B; B44B5/00; B44B5/0085; B65D; B65D77/00; B65D77/10; B65D77/16; B65D77/18; B65D77/185; Y; Y10; Y10T; Y10T24/00; Y10T24/15; Y10T24/153; Y10T292/00; Y10T292/48; Y10T292/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US771331A
Cited
US1080286A
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US1249515A
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US1493075A
Cited
US2392034A
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US2440012A
Cited
US2452098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |