US2885840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for internally cementing cartons and laminates
Assignee: BERST Corp
•
Filing: 1956-03-12
•
Granted: 1959-05-12
•
Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 Glen G Blackburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:38
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/742; B31B50/745
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA473155A
Cited
US2344040A
Cited
US2447690A
Cited
US2530787A
Cited
US2519102A
Cited
US2677220A
Cited
US2685551A
Cited
US2689844A
Cited
US2704181A
Cited
US2703197A
Cited
US2772197A
Cited
US2783176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |