US3456772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line find apparatus
Assignee: Unisys Corp
•
Filing: 1966-04-13
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Granted: 1969-07-22
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Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 William B Templeton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:33
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/36; B41J11/42; B41J11/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1762749A
Cited
US2747717A
Cited
US3211895A
Cited
US3247944A
Cited
US3252557A
Cited
US3211271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |