US2489210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for adhesively uniting sheet materials
Assignee: Bemis Brothers Bag Co
•
Filing: 1946-12-07
•
Granted: 1949-11-22
•
Expires: 1966-12-07
Abstract
No abstract record available.
Inventors
- 👤 Norman E Weeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:01
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/84; B31B70/85; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |