US2425299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making solder filled jewelry finding
Assignee: BA Ballou and Co Inc
•
Filing: 1944-06-21
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Granted: 1947-08-12
•
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
2026-11-07 17:10
CPC Classifications
A; A44; A44B; A44B9/00; A44B9/12; A44B9/18; Y; Y10; Y10T; Y10T24/00; Y10T24/46; Y10T24/4604; Y10T24/4634; Y10T24/4636; Y10T29/00; Y10T29/49; Y10T29/49588; Y10T29/49595; Y10T428/00; Y10T428/12; Y10T428/12493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US147053A
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US841771A
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US944640A
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US1378501A
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US1635188A
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US1610225A
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US2354409A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |