Patent US2988033A successfully refreshed from Google Patents.
US2988033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchangers
Assignee: ArvinMeritor Light Vehicle Systems UK Ltd
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Filing: 1959-06-11
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Granted: 1961-06-13
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Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Gapp William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:58
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1206717A
Cited
US1462475A
Cited
US1704326A
Cited
US1775103A
Cited
US2092835A
Cited
US2262086A
Cited
US2638958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |