US2474285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bank strip welding machine
Assignee: International Standard Electric Corp
•
Filing: 1947-02-11
•
Granted: 1949-06-28
•
Expires: 1967-02-11
Abstract
No abstract record available.
Inventors
- 👤 Smith William Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:05
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/008; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1635536A
Cited
US1448566A
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US1754948A
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US2100502A
Cited
US2268815A
Cited
US2325291A
Cited
US2286945A
Cited
US2308658A
Cited
US2339884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |