Patent US3364548A successfully refreshed from Google Patents.
US3364548A
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Method for producing an electroformed heat exchanger
Assignee: ALEX A MARCO
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Filing: 1964-12-08
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Granted: 1968-01-23
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Expires: 1984-12-08
Abstract
No abstract record available.
Inventors
- 👤 Alex A Marco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:54
CPC Classifications
F; F28; F28F; F28F21/00; F28F21/08; F28F21/081; F28F21/085; B; B21; B21D; B21D53/00; B21D53/02; B21D53/08; B21D53/085; F28D; F28D9/00; F28F21/084; F28F9/00; F28F2275/00; F28F2275/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2587252A
Cited
US2837817A
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US2855664A
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US3044160A
Cited
US3063142A
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US3153278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |