US3529127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding device
Assignee: Individual
•
Filing: 1967-03-02
•
Granted: 1970-09-15
•
Expires: 1987-03-02
Abstract
No abstract record available.
Inventors
- 👤 Dewey J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:51
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/133; B23K9/1336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2040030A
Cited
US2808498A
Cited
US3098892A
Cited
US3196249A
Cited
US3248516A
Cited
US3293477A
Cited
US3283121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |