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US3532851A
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Antishock safety feature for stud welding apparatus
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1966-11-28
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Granted: 1970-10-06
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Expires: 1986-11-28
Abstract
No abstract record available.
Inventors
- 👤 Paul A Glorioso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:45
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/20; B23K9/201; B23K9/202; B23K9/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2315625A
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US2364372A
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US2540838A
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US2938105A
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US3020448A
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US3050644A
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US3064119A
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US3257580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |