US2479024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heat sealing the open ends of ampoules
Assignee: Individual
•
Filing: 1944-10-30
•
Granted: 1949-08-16
•
Expires: 1964-10-30
Abstract
No abstract record available.
Inventors
- 👤 Juan Luis Pujol Y Font
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:21
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/18; B; B65; B65B; B65B7/00; B65B7/16; B65B7/161
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) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |