US3451114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of a highly efficient aluminium radiator
Assignee: Individual
•
Filing: 1964-12-07
•
Granted: 1969-06-24
•
Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Hans Werneke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:35
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/03; F28D1/0308; F28D1/0325; F28D1/0333; B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B23; B23K; B23K1/00; B23K1/0008; B23K1/0012; B23K1/008; B23K1/08; B23K1/19; F28F; F28F3/00; F28F3/02; F28F3/025; B23K2103/00; B23K2103/08; B23K2103/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |