US2902802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulating die roll system
Assignee: Wyeth Holdings LLC
•
Filing: 1956-12-24
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Granted: 1959-09-08
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Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Frank E Stirn
- 👤 Arthur S Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:05
CPC Classifications
B; B65; B65B; B65B47/00; B65B47/08; B65B47/10; A; A61; A61J; A61J3/00; A61J3/07
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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |