Patent US2632388A successfully refreshed from Google Patents.
US2632388A
Expired / Lapsed
US
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Combination receiving tray and cover for duplicating machines
Assignee: Ditto Inc
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Filing: 1948-07-12
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Granted: 1953-03-24
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Expires: 1968-07-12
Abstract
No abstract record available.
Inventors
- 👤 Smith Ored Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:36
CPC Classifications
B; B41; B41L; B41L11/00; B41L11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US750863A
Cited
US1666193A
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US2105195A
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US2231639A
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US2233895A
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US2399176A
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US2558046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |