US1876931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making paper cups
Assignee: United States Envelope Co
•
Filing: 1928-03-28
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Granted: 1932-09-13
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Expires: 1948-03-28
Abstract
No abstract record available.
Inventors
- 👤 Vincent E Heywood
- 👤 Ralph D Hoaglund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:00
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/0043; B31D1/005; B31B; B31B2105/00; B31B2105/002; B31B2105/0022; B31B2110/00; B31B2110/10; B31B2110/20; B31B50/00; B31B50/26; B31B50/28; B31B50/30; B31B50/32; B31B50/324
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) | 1935-09-13 | 1936-03-14 | 1936-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-13 | 1940-03-14 | 1940-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-13 | 1944-03-14 | 1944-09-13 | $7700.00 | Window Closed / Lapsed |