US2910276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recuperators
Assignee: Individual
•
Filing: 1958-02-25
•
Granted: 1959-10-27
•
Expires: 1978-02-25
Abstract
No abstract record available.
Inventors
- 👤 Escher Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:56
CPC Classifications
F; F28; F28D; F28D21/00; F28D21/0001; F28D21/0003; F28D21/0005; F28D21/0008; F23; F23M; F23M20/00; F28F; F28F13/00; F28F13/06; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/109; Y10S165/11; Y10S165/113; Y10S165/116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2479413A
Cited
CH58506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |