US2472849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electrically welding container seams
Assignee: Primerica Inc
•
Filing: 1946-01-23
•
Granted: 1949-06-14
•
Expires: 1966-01-23
Abstract
No abstract record available.
Inventors
- 👤 Horace J Paynter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:00
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/08; B23K11/087; B23K11/0873
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1101447A
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US1190902A
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US1375687A
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US1628928A
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US1816864A
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US1887488A
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US2092003A
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US2047964A
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GB455366A
Cited
US2385710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |