US2643416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for casting ribbons of gelatin and the like
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1949-03-05
•
Granted: 1953-06-30
•
Expires: 1969-03-05
Abstract
No abstract record available.
Inventors
- 👤 Rex E Moule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:12
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/4833; A61J; A61J3/00; A61J3/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1237587A
Cited
US1437808A
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US2296294A
Cited
US2379817A
Cited
US2349511A
Cited
US2379831A
Cited
US2387747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |