US3407567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag opening apparatus
Assignee: Graphic Packaging International LLC
•
Filing: 1966-03-22
•
Granted: 1968-10-29
•
Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Doyle R Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:39
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/30; B65B43/34; B65B43/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2069266A
Cited
US2032259A
Cited
US2833097A
Cited
US3075324A
Cited
US3138907A
Cited
US3262249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |