US2489507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper cup machine
Assignee: EAGLE CONE Corp
•
Filing: 1947-11-21
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Granted: 1949-11-29
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Expires: 1967-11-21
Abstract
No abstract record available.
Inventors
- 👤 Shapiro Arthur
- 👤 Hirschey Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:59
CPC Classifications
B; B31; B31B; B31B70/00; B31B50/00; B31B50/59; B31B50/592; B31B2100/00; B31B2110/00; B31B2110/10; B31B2110/20; B31B2120/00; B31B2120/002; B31B2120/70; B31B2160/00; B31B2160/10; B31B50/02; B31B50/04; B31B50/06; B31B50/062; B31B50/064; B31B50/26; B31B50/44; B31B50/74; B31B50/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |