US3011145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing system for channelized multiple trace records
Assignee: Pan American Petroleum Corp
•
Filing: 1957-11-29
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Granted: 1961-11-28
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Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Eisler
- 👤 Charles F Hadley
- 👤 Harold M Lang
- 👤 Silverman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:22
CPC Classifications
G; G03; G03B; G03B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |