Patent US3515552A successfully refreshed from Google Patents.
US3515552A
Expired / Lapsed
US
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Light-sensitive imaging sheet and method of using
Assignee: 3M Co
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Filing: 1966-09-16
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Granted: 1970-06-02
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Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 George H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:55
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/26; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/114; Y10S430/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658510A
Cited
US3042516A
Cited
US3046125A
Cited
US3395014A
Cited
US3347676A
Cited
US3380831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |