Patent US3419223A successfully refreshed from Google Patents.
US3419223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulators
Assignee: Harris Graphics Corp
•
Filing: 1966-12-23
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Granted: 1968-12-31
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Expires: 1986-12-23
Abstract
No abstract record available.
Inventors
- 👤 Nelson H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:45
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/16; B02C18/14; B02C18/144; B02C2018/162; B02C23/00; B02C23/08; B02C23/16; B02C2023/165
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |