US2785281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Can opening key soldering machine
Assignee: Primerica Inc
•
Filing: 1953-11-09
•
Granted: 1957-03-12
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Carl W Heinle
- 👤 Rouald E J Nordquist
- 👤 Bofinger Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:08
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1264611A
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US1536838A
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US1773892A
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US1699091A
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US1743519A
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US1922916A
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US1884683A
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US1890262A
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US2002105A
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US2231408A
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US2338002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |