Patent US2642784A successfully refreshed from Google Patents.
US2642784A
Expired / Lapsed
US
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Machine for making paper containers
Assignee: NAT PAPER BOTTLE CO Inc
•
Filing: 1949-04-06
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Granted: 1953-06-23
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Expires: 1969-04-06
Abstract
No abstract record available.
Inventors
- 👤 Bruno A Wittkuhns
- 👤 H George D Nutting
- 👤 Gilbert F Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:44
CPC Classifications
B; B31; B31C; B31C9/00; B31B; B31B2105/00; B31B2110/00; B31B2110/10; B31B2110/20
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |