US3434197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive welding
Assignee: Singer General Precision Inc
•
Filing: 1964-08-03
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Granted: 1969-03-25
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Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Donald E Davenport
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:56
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; B23K20/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3140537A
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US3197855A
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US3212183A
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US3197856A
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US3258841A
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US3292253A
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US3313021A
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US3263323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |