US3497207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorting apparatus for documents
Assignee: Xerox Corp
•
Filing: 1968-01-24
•
Granted: 1970-02-24
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Expires: 1988-01-24
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
- 👤 James R Cassano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:08
CPC Classifications
B; B65; B65H; B65H39/00; B65H39/10; B65H39/11; B65H2404/00; B65H2404/10; B65H2404/13; B65H2404/131; B65H2404/1316; B65H2404/13161; B65H2408/00; B65H2408/10; B65H2408/11; B65H2408/111; B65H2408/118
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3395913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |