US2493348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag with extensile sealed liner
Assignee: ST Regis Paper Co
•
Filing: 1944-09-21
•
Granted: 1950-01-03
•
Expires: 1964-09-21
Abstract
No abstract record available.
Inventors
- 👤 Edgar B Hoppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:10
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/26; Y; Y10; Y10S; Y10S383/00; Y10S383/903
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190710985A
Cited
US1752292A
Cited
US1723255A
Cited
US1767770A
Cited
US1917975A
Cited
GB361563A
Cited
US2020300A
Cited
US2127012A
Cited
US2189431A
Cited
US2306538A
Cited
US2169936A
Cited
US2307902A
Cited
US2312280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |