Patent US2450656A successfully refreshed from Google Patents.
US2450656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing appliance
Assignee: Individual
•
Filing: 1946-08-19
•
Granted: 1948-10-05
•
Expires: 1966-08-19
Abstract
No abstract record available.
Inventors
- 👤 Gowland John Pinkney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:02
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/08; B41K1/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US484534A
Cited
US495135A
Cited
US509858A
Cited
US605945A
Cited
US1084696A
Cited
US1100183A
Cited
FR504520A
Cited
US1345653A
Cited
US1399703A
Cited
US2425350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |