US3515841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing a weldment of thin metal
Assignee: Shaw Walker Co
•
Filing: 1967-08-29
•
Granted: 1970-06-02
•
Expires: 1987-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jack C King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:16
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/0026; B23K5/00; B23K5/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1568080A
Cited
US2001688A
Cited
US2599045A
Cited
US2782495A
Cited
US3132236A
Cited
US3407280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |