US3104047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag opener
Assignee: Bemis Brothers Bag Co
•
Filing: 1960-11-30
•
Granted: 1963-09-17
•
Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Arnold N Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:33
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5827; B65D75/5833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA547146A
Cited
US2336584A
Cited
US2648463A
Cited
US2943781A
Cited
US2956724A
Cited
US3002674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |