Patent US2468575A successfully refreshed from Google Patents.
Patent US1744932A successfully refreshed from Google Patents.
US1744932A
Expired / Lapsed
US
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Radiator
Assignee: Long Manufacturing Co Inc
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Filing: 1924-12-22
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Granted: 1930-01-28
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Expires: 1944-12-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Swank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:40
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/34; F28F9/00; F28F9/02; F28F9/04; F28F9/16; F28F9/165
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) | 1933-01-27 | 1933-07-29 | 1934-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-27 | 1937-07-29 | 1938-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-27 | 1941-07-29 | 1942-01-28 | $7700.00 | Window Closed / Lapsed |