US2864307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printer
Assignee: HP Inc
•
Filing: 1956-03-09
•
Granted: 1958-12-16
•
Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Edgar A Hilton
- 👤 Harold F Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:55
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/54; B41J7/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1675969A
Cited
US1909550A
Cited
US2066748A
Cited
US2133865A
Cited
US2157035A
Cited
US2381862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |