Patent US1741884A successfully refreshed from Google Patents.
US1741884A
Expired / Lapsed
US
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Machine for the mechanical production of paper cups pressed in folds
Assignee: Individual
•
Filing: 1928-02-02
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Granted: 1929-12-31
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Expires: 1948-02-02
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:11
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/26; B31B70/52; B31B2100/00; B31B2110/00; B31B2110/10; B31B2110/20; B31B2120/00; B31B2120/70; B31B2160/00; B31B2160/10; B31B50/00; B31B50/26; B31B50/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-12-30 | 1933-07-01 | 1933-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-30 | 1937-07-01 | 1937-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-30 | 1941-07-01 | 1941-12-31 | $7700.00 | Window Closed / Lapsed |