US3472590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photocopy apparatus
Assignee: Itek Graphix Corp
•
Filing: 1966-10-17
•
Granted: 1969-10-14
•
Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Henry N Fairbanks
- 👤 Daniel H Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:11
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B27/00; G03B27/32; G03B27/46; G03F; G03F7/00; G03F7/20; G03F7/2002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2735335A
Cited
US3357337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |