Patent US4007790A successfully refreshed from Google Patents.
US2021972A
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Assignee: VOGT Manufacturing Corp
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Filing: 1934-02-12
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Granted: 1935-11-26
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Expires: 1954-02-12
Abstract
No abstract record available.
Inventors
- 👤 Albert E Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:42
CPC Classifications
B; B60; B60J; B60J10/00; B60J10/70; B60J10/74; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929; Y10T428/23957; Y10T428/23964; Y10T428/23979; Y10T428/24; Y10T428/2419; Y10T428/24198; Y10T428/24777; Y10T428/24785
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) | 1938-11-25 | 1939-05-27 | 1939-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-25 | 1943-05-27 | 1943-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-25 | 1947-05-27 | 1947-11-26 | $7700.00 | Window Closed / Lapsed |