US3549365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithographic printing surface
Assignee: Imperial Metal and Chemical Co
•
Filing: 1966-02-18
•
Granted: 1970-12-22
•
Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Daniel C Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:57
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1888457A
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US2001753A
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US2184289A
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US2391522A
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US2814576A
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US2945778A
Cited
US2927872A
Cited
US3073723A
Cited
US3169065A
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US3289577A
Cited
US3307951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |