US2771077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal fabricated cylinder bar and concave
Assignee: International Motors LLC
•
Filing: 1953-08-13
•
Granted: 1956-11-20
•
Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Elof K Karlsson
- 👤 Ford Frank De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:32
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/496
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1282408A
Cited
US1859138A
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US1983300A
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US2127270A
Cited
US2159664A
Cited
US2217327A
Cited
US2321019A
Cited
US2361633A
Cited
FR910279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |