Patent US3380148A successfully refreshed from Google Patents.
US3380148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of guiding and locating welding equipment for subsequent welding
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-03-03
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Granted: 1968-04-30
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Jerome W Nelson
- 👤 Glenn E Faulkner
- 👤 Harry C Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:13
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1499498A
Cited
US1775311A
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US2155705A
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US2817745A
Cited
US2894111A
Cited
US2956147A
Cited
US3084246A
Cited
US3042787A
Cited
US3084244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |