US2520538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper cup container and dispenser
Assignee: Individual
•
Filing: 1947-07-19
•
Granted: 1950-08-29
•
Expires: 1967-07-19
Abstract
No abstract record available.
Inventors
- 👤 Einar G Gilbertsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:52
CPC Classifications
A; A47; A47F; A47F1/00; A47F1/04; A47F1/08; A47F1/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1027353A
Cited
US1076967A
Cited
AU2189329A
Cited
US2315827A
Cited
US2369933A
Cited
US2373217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |