Patent US3474516A successfully refreshed from Google Patents.
US3474516A
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US
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Process of copper base product within iron base can
Assignee: Copper Range Co
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Filing: 1967-01-24
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Granted: 1969-10-28
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Walter L Finlay
- 👤 Donald A Hay
- 👤 Wendell T Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:04
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/12; B22F3/1208; B22F3/1216; B23; B23K; B23K20/00; B23K20/22; B23K20/227; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924
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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |