US2871771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of producing side-gusseted bags
Assignee: Milprint Inc
•
Filing: 1952-06-12
•
Granted: 1959-02-03
•
Expires: 1972-06-12
Abstract
No abstract record available.
Inventors
- 👤 Lewis P Mercer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:19
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/26; B31B70/262; B31B70/266; B31B2155/00; B31B2155/001; B31B2155/0012; B31B2160/00; B31B2160/10; B31B70/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US392964A
Cited
US2085301A
Cited
US1983291A
Cited
US1995286A
Cited
US2149872A
Cited
US2385647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |