Patent US2493940A successfully refreshed from Google Patents.
US2493940A
Expired / Lapsed
US
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Solder carrier finding
Assignee: BA Ballou and Co Inc
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Filing: 1944-06-21
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Granted: 1950-01-10
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Expires: 1964-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick A Ballou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:02
CPC Classifications
A; A44; A44B; A44B9/00; A44B9/12; A44B9/18; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/927; Y10S428/9335; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49588; Y10T29/49595; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12229; Y10T428/12271; Y10T428/12361; Y10T428/12451
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) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |