US3382344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic welding machine
Assignee: Individual
•
Filing: 1965-01-12
•
Granted: 1968-05-07
•
Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 Hasegawa Mitsuo
- 👤 Ikkai Hideo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:35
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/038; B23K9/0209
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2866078A
Cited
US2969454A
Cited
US3134014A
Cited
US3164714A
Cited
US3235705A
Cited
US3255944A
Cited
US3241229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |