US2699208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming perforated tea bag paper
Assignee: Ecusta Paper Corp
•
Filing: 1950-09-13
•
Granted: 1955-01-11
•
Expires: 1970-09-13
Abstract
No abstract record available.
Inventors
- 👤 Milton O Schur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:46
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/18; B26F1/20; Y; Y10; Y10T; Y10T83/00; Y10T83/242; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4838; Y10T83/4841
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE24788C
Cited
US714667A
Cited
US845764A
Cited
US927846A
Cited
US1912495A
Cited
US1466001A
Cited
US1621741A
Cited
US1574633A
Cited
US1668084A
Cited
US1818046A
Cited
US1931468A
Cited
US2009288A
Cited
US2261315A
Cited
US2201481A
Cited
US2218674A
Cited
US2316054A
Cited
US2556071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |