Patent US2860575A successfully refreshed from Google Patents.
US2860575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
sievers
Assignee: —
•
Filing: —
•
Granted: 1958-11-18
•
Expires: 1975-11-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:48
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209217A
Cited
US2550581A
Cited
US2754751A
Cited
US2251147A
Cited
US2362261A
Cited
US2360789A
Cited
US2708873A
Cited
US2633968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |