Patent US2180338A successfully refreshed from Google Patents.
US2180338A
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Method and apparatus for forming paper packages
Assignee: Individual
•
Filing: 1937-06-02
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Granted: 1939-11-21
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Expires: 1957-06-02
Abstract
No abstract record available.
Inventors
- 👤 William S Cloud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:56
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B70/628; B31B2155/00; B31B2155/002; B31B2160/00; B31B2160/10; B31B2160/106; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/12; Y10T156/1317; Y10T156/1343; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4847
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) | 1942-11-20 | 1943-05-22 | 1943-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-20 | 1947-05-22 | 1947-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-20 | 1951-05-22 | 1951-11-21 | $7700.00 | Window Closed / Lapsed |