US3450319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ampoule breaker
Assignee: EMD Millipore Corp
•
Filing: 1967-03-16
•
Granted: 1969-06-17
•
Expires: 1987-03-16
Abstract
No abstract record available.
Inventors
- 👤 Richard W Ray
- 👤 Stephen P Campbell Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:10
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/92; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/371; Y10T225/379
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2147394A
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US2359644A
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US2425093A
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US2507097A
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US2503517A
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US2507187A
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US2515020A
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US2488956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |