US3414044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bimetallic tubular article
Assignee: Beloit Corp
•
Filing: 1966-05-12
•
Granted: 1968-12-03
•
Expires: 1986-05-12
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Justus
- 👤 Carl B Dahl
- 👤 Walter H Bade
- 👤 Hamilton C Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:05
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1514129A
Cited
US1870866A
Cited
US1943720A
Cited
US2255896A
Cited
GB742103A
Cited
US2710997A
Cited
US3304589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |