US2918262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiators
Assignee: Individual
•
Filing: 1956-08-20
•
Granted: 1959-12-22
•
Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 Brandi Otto Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:53
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/0233; F24; F24F; F24F13/00; F24F13/26; F28D1/03; F28D1/0308; F28D1/04; F28D1/047; F28D1/053; F28D1/05316
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL55630C
Cited
US1341649A
Cited
US1744078A
Cited
NL44433C
Cited
US1833291A
Cited
US1816604A
Cited
US1887035A
Cited
GB457376A
Cited
US2294556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |