US2446878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tier
Assignee: International Motors LLC
•
Filing: 1942-11-21
•
Granted: 1948-08-10
•
Expires: 1962-11-21
Abstract
No abstract record available.
Inventors
- 👤 Lee H Kaupke
- 👤 Russell R Raney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:05
CPC Classifications
A; A01; A01F; A01F15/00; A01F15/08; A01F15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US889815A
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US1673125A
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US1681245A
Cited
US2030031A
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US2099339A
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US2233133A
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US2293679A
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US2277394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |