Patent US3437785A successfully refreshed from Google Patents.
US3437785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for electron beam welding of overlapped sheets
Assignee: Sciaky Brothers Inc
•
Filing: 1966-05-06
•
Granted: 1969-04-08
•
Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 David Sciaky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:01
CPC Classifications
B; B23; B23K; B23K15/00; B23K15/0046; B23K15/008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3016449A
Cited
US3187216A
Cited
US3136882A
Cited
US3136883A
Cited
US3301993A
Cited
US3174026A
Cited
BE634718A
Cited
US3219792A
Cited
US3258576A
Cited
US3264004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |