Patent US2908220A successfully refreshed from Google Patents.
US2908220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplicating apparatus
Assignee: Individual
•
Filing: 1954-12-08
•
Granted: 1959-10-13
•
Expires: 1974-12-08
Abstract
No abstract record available.
Inventors
- 👤 Eichenbaum William
- 👤 Mandel Manley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:31
CPC Classifications
B; B41; B41L; B41L11/00; B41P; B41P2700/00; B41P2700/10; B41P2700/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1253824A
Cited
US1564221A
Cited
DE562507C
Cited
US2344345A
Cited
US2572450A
Cited
US2617647A
Cited
US2765733A
Cited
US2766685A
Cited
US2771838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |