US3085626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer apparatus
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1956-03-20
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Granted: 1963-04-16
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Expires: 1976-03-20
Abstract
No abstract record available.
Inventors
- 👤 Bognar Etienne
- 👤 Maistre Michel Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:52
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/10; F28D7/12; F22; F22B; F22B1/00; F22B1/02; F22B1/06; F22B23/00; Y; Y10; Y10S; Y10S165/00; Y10S165/001; Y10S165/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1628736A
Cited
US710608A
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US1419337A
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US1761035A
Cited
US2225634A
Cited
GB588214A
Cited
US2658728A
Cited
US2669435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |