Patent US3631362A successfully refreshed from Google Patents.
US3200523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide sorting device
Assignee: Compco Corp
•
Filing: 1962-08-16
•
Granted: 1965-08-17
•
Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Zagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:20
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US500955A
Cited
US3056222A
Cited
US1341695A
Cited
FR1162175A
Cited
US3061961A
Cited
US2908094A
Cited
US2882628A
Cited
US3023524A
Cited
US3018575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |