US1735807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator reenforcement
Assignee: Long Manufacturing Co Inc
•
Filing: 1924-09-15
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Granted: 1929-11-12
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Expires: 1944-09-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Swank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:30
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/001; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053
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) | 1932-11-11 | 1933-05-13 | 1933-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-11 | 1937-05-13 | 1937-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-11 | 1941-05-13 | 1941-11-12 | $7700.00 | Window Closed / Lapsed |