US1313518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator
Assignee: —
•
Filing: —
•
Granted: 1919-08-19
•
Expires: 1936-08-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:31
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/0202; F28F9/0204; F28F9/0209; F28F9/0212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1922-08-18 | 1923-02-17 | 1923-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-08-18 | 1927-02-17 | 1927-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-08-18 | 1931-02-17 | 1931-08-19 | $7700.00 | Window Closed / Lapsed |