Patent US2446649A successfully refreshed from Google Patents.
US2446649A
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US
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Automatic machine for making beaded cups
Assignee: Individual
•
Filing: 1947-03-26
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Granted: 1948-08-10
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Expires: 1967-03-26
Abstract
No abstract record available.
Inventors
- 👤 Whitney J Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:31
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/18; B29C51/26; B29C51/30; B29C51/32; B29C51/325; B29C57/00; B29C57/12; B31; B31B; B31B2105/00; B31B2105/002; B31B2105/0022
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) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |