US3420004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formed plastic article de-sliver unit
Assignee: RL ADAMS PLASTICS INC
•
Filing: 1965-05-28
•
Granted: 1969-01-07
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:22
CPC Classifications
B; B24; B24B; B24B9/00; B24B19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1806237A
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US1980602A
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US2595226A
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US2849820A
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US2979747A
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US3074210A
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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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |