US2553877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming package wrappers provided with a tearing strip
Assignee: Package Machinery Co
•
Filing: 1948-07-22
•
Granted: 1951-05-22
•
Expires: 1968-07-22
Abstract
No abstract record available.
Inventors
- 👤 Smith Elmer Lovell
- 👤 Norman W Lyon
- 👤 Prince Clarence Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:27
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/26; B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8125; B31B50/8126; C08J2321/00; Y; Y10; Y10S; Y10S493/00; Y10S493/963
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |