US3473589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic bag
Assignee: Minigrip Inc
•
Filing: 1966-12-09
•
Granted: 1969-10-21
•
Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Walter O Gotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/25; B65D33/2508; B65D33/2516; B65D33/2533; B65D31/00; B65D31/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2519290A
Cited
US2780261A
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US2861022A
Cited
US2916197A
Cited
US3122297A
Cited
US3198228A
Cited
US3136468A
Cited
US3132742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |