US3514567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding equipment
Assignee: VIRGIL G STRANG
•
Filing: 1968-07-22
•
Granted: 1970-05-26
•
Expires: 1988-07-22
Abstract
No abstract record available.
Inventors
- 👤 Virgil G Strang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:09
CPC Classifications
B; B08; B08B; B08B15/00; B08B15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1749765A
Cited
US2489002A
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US2768278A
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US2963570A
Cited
US2935312A
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US3025387A
Cited
US3137783A
Cited
US3108179A
Cited
US3192079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |