US2435308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making paper cups
Assignee: Individual
•
Filing: 1942-12-17
•
Granted: 1948-02-03
•
Expires: 1962-12-17
Abstract
No abstract record available.
Inventors
- 👤 Leo M Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:41
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/44; B31B70/00; B31B2100/00; B31B2110/00; B31B2110/10; B31B2110/20; B31B2120/00; B31B2120/002; B31B2120/70; B31B2160/00; B31B2160/10; B31B50/74; B31B50/81; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/114; Y10S83/00; Y10S83/923; Y10T; Y10T83/00; Y10T83/444; Y10T83/4539; Y10T83/4541; Y10T83/4549; Y10T83/4637; Y10T83/464; Y10T83/768; Y10T83/7809; Y10T83/783
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US578854A
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US1799357A
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US1959342A
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US1740844A
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US2006040A
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US2177652A
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US2215698A
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US2254291A
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US2268937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |