US3483074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix material for molding duplicate printing plates
Assignee: WR Grace and Co
•
Filing: 1965-06-08
•
Granted: 1969-12-09
•
Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Vincent Squitieri
- 👤 Dick J Wollmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:48
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B41; B41C; B41C3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31906; Y10T428/31942; Y10T428/31949; Y10T428/31964
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2085740A
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US2128351A
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US3308004A
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US3082510A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |