US3024002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Stolle Corp
•
Filing: 1957-10-17
•
Granted: 1962-03-06
•
Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Edward G Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:43
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; F; F28; F28F; F28F3/00; F28F3/12; F28F3/14; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/356; Y10S165/373; Y10S165/384; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1571068A
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US1751725A
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US2064141A
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US2158383A
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US2347957A
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US2517370A
Cited
GB695640A
Cited
US2713997A
Cited
US2779086A
Cited
US2877000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |