US2449478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing one end of open ended tube, filling through remaining open end, and sealing remaining open end
Assignee: Individual
•
Filing: 1945-02-14
•
Granted: 1948-09-14
•
Expires: 1965-02-14
Abstract
No abstract record available.
Inventors
- 👤 Herzog Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:30
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/161; B65B3/00; B65B3/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US184925A
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US684510A
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FR507307A
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US1801210A
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US1862821A
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US1877726A
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US2014471A
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US2087947A
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US2028241A
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US2201694A
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US2270152A
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US2329928A
Cited
US2358421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-14 | 1952-03-15 | 1952-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-14 | 1956-03-15 | 1956-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-14 | 1960-03-15 | 1960-09-14 | $7700.00 | Window Closed / Lapsed |