Patent US6402750B1 successfully refreshed from Google Patents.
US2378892A
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Assignee: Goodman Manufacturing Co LP
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Filing: 1942-03-25
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Granted: 1945-06-26
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Expires: 1962-03-25
Abstract
No abstract record available.
Inventors
- 👤 Einar M Arentsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:55
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/02; B60; B60P; B60P3/00; B60P3/06; B60P3/07
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) | 1948-06-25 | 1948-12-25 | 1949-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-25 | 1952-12-25 | 1953-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-25 | 1956-12-25 | 1957-06-26 | $7700.00 | Window Closed / Lapsed |