Patent US2284872A successfully refreshed from Google Patents.
US2284872A
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Means for forming windowed apertures
Assignee: ONEIDA PAPER PRODUCTS Inc
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Filing: 1939-03-23
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Granted: 1942-06-02
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Expires: 1959-03-23
Abstract
No abstract record available.
Inventors
- 👤 Edward T Jaeger
- 👤 Jr Rupert Loeffler
- 👤 Bischoff Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:49
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/04; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/82; B31B70/83; B32B37/00; B32B37/0076; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/917; Y10S493/919; Y10T; Y10T156/00; Y10T156/12; Y10T156/1304; Y10T156/1309; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/207; Y10T83/2092; Y10T83/2096; Y10T83/2098; Y10T83/2122; Y10T83/2124; Y10T83/2209; Y10T83/2216; Y10T83/222; Y10T83/465; Y10T83/4749
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) | 1945-06-01 | 1945-12-01 | 1946-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-01 | 1949-12-01 | 1950-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-01 | 1953-12-01 | 1954-06-02 | $7700.00 | Window Closed / Lapsed |