US2651244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoprint ejector
Assignee: Individual
•
Filing: 1951-12-19
•
Granted: 1953-09-08
•
Expires: 1971-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ferguson Duard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:11
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/04; G03B27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1206005A
Cited
US1510748A
Cited
US1557301A
Cited
US2019929A
Cited
US2100087A
Cited
US2371925A
Cited
US2426087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |