US2760049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy-line illuminator
Assignee: Individual
•
Filing: 1953-10-30
•
Granted: 1956-08-21
•
Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
- 👤 Toby B Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:37
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1406648A
Cited
US1267055A
Cited
US1397803A
Cited
US1609418A
Cited
US1886027A
Cited
US2153103A
Cited
US2569078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |