US3435184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel gap welding
Assignee: Electrodynamics Inc
•
Filing: 1965-07-12
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Granted: 1969-03-25
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 John H Schroeppel
- 👤 Raymond L Mcgaughey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:34
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31; B23K11/312
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |