US3545668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening and reclosable bag
Assignee: Continental Can Co Inc
•
Filing: 1969-02-10
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Granted: 1970-12-08
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Expires: 1989-02-10
Abstract
No abstract record available.
Inventors
- 👤 Wayne M Hultberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:06
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/30; B65D75/00; B65D75/52; B65D75/58; B65D75/5805; Y; Y10; Y10S; Y10S206/00; Y10S206/806; Y10S383/00; Y10S383/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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 |