US3546327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a ventilated plastic bag
Assignee: Bagcraft Corp of America
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Filing: 1967-09-22
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Granted: 1970-12-08
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Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Ruda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:10
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/24; B31; B31B; B31B70/00; B31B70/14; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24198
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |