US2672272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for filling ampoules
Assignee: F Hoffmann La Roche AG
•
Filing: 1949-11-26
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Granted: 1954-03-16
•
Expires: 1969-11-26
Abstract
No abstract record available.
Inventors
- 👤 Harris Sidney Ernest
- 👤 Engel Carl Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:28
CPC Classifications
B; B65; B65B; B65B3/00; B65B3/003; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863
Claims Analysis
Total Claims: 0
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US2319532A
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GB566937A
Cited
US2503147A
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US2530230A
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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) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |