US3006256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for opening one end of bag tubes to form the bag bottoms in paper bag manufacturing machines
Assignee: Individual
•
Filing: 1957-04-04
•
Granted: 1961-10-31
•
Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 Rawe Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:35
CPC Classifications
B; B31; B31B; B31B50/00; B31B70/00; B31B70/003; B31B50/74; B31B50/76; B31B50/80
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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |